200813613256 has 8 divisors (see below), whose sum is σ = 376525524870. Its totient is φ = 100406806624.

The previous prime is 200813613251. The next prime is 200813613277. The reversal of 200813613256 is 652316318002.

It can be written as a sum of positive squares in only one way, i.e., 188298716356 + 12514896900 = 433934^2 + 111870^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×200813613256² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (200813613251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12550850821 + ... + 12550850836.

Almost surely, 2^200813613256 is an apocalyptic number.

It is an amenable number.

200813613256 is a deficient number, since it is larger than the sum of its proper divisors (175711911614).

200813613256 is a wasteful number, since it uses less digits than its factorization.

200813613256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25101701663 (or 25101701659 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 200813613256 in words is "two hundred billion, eight hundred thirteen million, six hundred thirteen thousand, two hundred fifty-six".