204310056 has 16 divisors (see below), whose sum is σ = 510775200. Its totient is φ = 68103344.

The previous prime is 204310031. The next prime is 204310111. The reversal of 204310056 is 650013402.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4256436 + ... + 4256483.

It is an arithmetic number, because the mean of its divisors is an integer number (31923450).

Almost surely, 2^204310056 is an apocalyptic number.

It is an amenable number.

204310056 is an abundant number, since it is smaller than the sum of its proper divisors (306465144).

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

204310056 is a wasteful number, since it uses less digits than its factorization.

204310056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512928 (or 8512924 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 204310056 is about 14293.7068670097. The cubic root of 204310056 is about 588.9746204101.

Adding to 204310056 its reverse (650013402), we get a palindrome (854323458).

The spelling of 204310056 in words is "two hundred four million, three hundred ten thousand, fifty-six".