204202600056 has 96 divisors (see below), whose sum is σ = 680675355360. Its totient is φ = 53855629056.

The previous prime is 204202600051. The next prime is 204202600123. The reversal of 204202600056 is 650006202402.

204202600056 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 0 + 2 + 600 + 0 + 56 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204202600051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15576675 + ... + 15589778.

It is an arithmetic number, because the mean of its divisors is an integer number (7090368285).

Almost surely, 2^204202600056 is an apocalyptic number.

204202600056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

204202600056 is an abundant number, since it is smaller than the sum of its proper divisors (476472755304).

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

204202600056 is a wasteful number, since it uses less digits than its factorization.

204202600056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31166485 (or 31166478 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 204202600056 its reverse (650006202402), we get a palindrome (854208802458).

The spelling of 204202600056 in words is "two hundred four billion, two hundred two million, six hundred thousand, fifty-six".