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2020502240 = 25597211617
BaseRepresentation
bin111100001101110…
…0110101011100000
312012210221011000022
41320123212223200
513114222032430
6532254213012
7101032662041
oct17033465340
95183834008
102020502240
11947580269
124847b4168
132627a5273
141524b48c8
15bc5b24e5
hex786e6ae0

2020502240 has 96 divisors (see below), whose sum is σ = 4853356704. Its totient is φ = 794787840.

The previous prime is 2020502203. The next prime is 2020502243. The reversal of 2020502240 is 422050202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020502243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3274412 + ... + 3275028.

It is an arithmetic number, because the mean of its divisors is an integer number (50555799).

Almost surely, 22020502240 is an apocalyptic number.

2020502240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020502240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2426678352).

2020502240 is an abundant number, since it is smaller than the sum of its proper divisors (2832854464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020502240 is a wasteful number, since it uses less digits than its factorization.

2020502240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2020502240 is about 44949.9971078976. The cubic root of 2020502240 is about 1264.2116226885.

Adding to 2020502240 its reverse (422050202), we get a palindrome (2442552442).

The spelling of 2020502240 in words is "two billion, twenty million, five hundred two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 97 160 194 211 388 422 485 617 776 844 970 1055 1234 1552 1688 1940 2110 2468 3085 3104 3376 3880 4220 4936 6170 6752 7760 8440 9872 12340 15520 16880 19744 20467 24680 33760 40934 49360 59849 81868 98720 102335 119698 130187 163736 204670 239396 260374 299245 327472 409340 478792 520748 598490 650935 654944 818680 957584 1041496 1196980 1301870 1637360 1915168 2082992 2393960 2603740 3274720 4165984 4787920 5207480 9575840 10414960 12628139 20829920 25256278 50512556 63140695 101025112 126281390 202050224 252562780 404100448 505125560 1010251120 2020502240