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1020200200 = 235218612741
BaseRepresentation
bin111100110011110…
…000010100001000
32122002200112120121
4330303300110020
54042132401300
6245122233024
734165362415
oct7463602410
92562615517
101020200200
11483970568
122457b5774
13133490776
14996c910c
155e87181a
hex3ccf0508

1020200200 has 48 divisors (see below), whose sum is σ = 2374105860. Its totient is φ = 407712000.

The previous prime is 1020200197. The next prime is 1020200201. The reversal of 1020200200 is 20020201.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 26563716 + 993636484 = 5154^2 + 31522^2 .

It is not an unprimeable number, because it can be changed into a prime (1020200201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370830 + ... + 373570.

Almost surely, 21020200200 is an apocalyptic number.

1020200200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020200200 is an abundant number, since it is smaller than the sum of its proper divisors (1353905660).

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

1020200200 is a wasteful number, since it uses less digits than its factorization.

1020200200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618 (or 4609 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 1020200200 is about 31940.5729441411. The cubic root of 1020200200 is about 1006.6885633781.

Adding to 1020200200 its reverse (20020201), we get a palindrome (1040220401).

The spelling of 1020200200 in words is "one billion, twenty million, two hundred thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1861 2741 3722 5482 7444 9305 10964 13705 14888 18610 21928 27410 37220 46525 54820 68525 74440 93050 109640 137050 186100 274100 372200 548200 5101001 10202002 20404004 25505005 40808008 51010010 102020020 127525025 204040040 255050050 510100100 1020200200