204622015656 has 16 divisors (see below), whose sum is σ = 511555039200. Its totient is φ = 68207338544.

The previous prime is 204622015613. The next prime is 204622015679. The reversal of 204622015656 is 656510226402.

It is a super-2 number, since 2×204622015656² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4262958636 + ... + 4262958683.

It is an arithmetic number, because the mean of its divisors is an integer number (31972189950).

Almost surely, 2^204622015656 is an apocalyptic number.

It is an amenable number.

204622015656 is an abundant number, since it is smaller than the sum of its proper divisors (306933023544).

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

204622015656 is a wasteful number, since it uses less digits than its factorization.

204622015656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8525917328 (or 8525917324 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 204622015656 in words is "two hundred four billion, six hundred twenty-two million, fifteen thousand, six hundred fifty-six".