204664056 has 64 divisors (see below), whose sum is σ = 522547200. Its totient is φ = 66786048.

The previous prime is 204664013. The next prime is 204664063. The reversal of 204664056 is 650466402.

It is a super-2 number, since 2×204664056² = 83774751636742272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252580 + ... + 253388.

It is an arithmetic number, because the mean of its divisors is an integer number (8164800).

Almost surely, 2^204664056 is an apocalyptic number.

It is an amenable number.

204664056 is an abundant number, since it is smaller than the sum of its proper divisors (317883144).

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

204664056 is a wasteful number, since it uses less digits than its factorization.

204664056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1024 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 204664056 is about 14306.0845796465. The cubic root of 204664056 is about 589.3145885240.

The spelling of 204664056 in words is "two hundred four million, six hundred sixty-four thousand, fifty-six".