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2020303080 = 233351870651
BaseRepresentation
bin111100001101011…
…0110000011101000
312012210120000211000
41320122312003220
513114144144310
6532250035000
7101031202305
oct17032660350
95183500730
102020303080
11947454674
12484718a60
13262735713
141524620ac
15bc5734c0
hex786b60e8

2020303080 has 64 divisors (see below), whose sum is σ = 6734347200. Its totient is φ = 538747200.

The previous prime is 2020303063. The next prime is 2020303081. The reversal of 2020303080 is 803030202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2020303081) 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, 934246 + ... + 936405.

It is an arithmetic number, because the mean of its divisors is an integer number (105224175).

Almost surely, 22020303080 is an apocalyptic number.

2020303080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020303080 is an abundant number, since it is smaller than the sum of its proper divisors (4714044120).

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

2020303080 is a wasteful number, since it uses less digits than its factorization.

2020303080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870671 (or 1870661 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2020303080 is about 44947.7817027715. The cubic root of 2020303080 is about 1264.1700837327.

Adding to 2020303080 its reverse (803030202), we get a palindrome (2823333282).

The spelling of 2020303080 in words is "two billion, twenty million, three hundred three thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 1870651 3741302 5611953 7482604 9353255 11223906 14965208 16835859 18706510 22447812 28059765 33671718 37413020 44895624 50507577 56119530 67343436 74826040 84179295 101015154 112239060 134686872 168358590 202030308 224478120 252537885 336717180 404060616 505075770 673434360 1010151540 2020303080