204711869028 has 12 divisors (see below), whose sum is σ = 477661027760. Its totient is φ = 68237289672.

The previous prime is 204711869023. The next prime is 204711869039. The reversal of 204711869028 is 820968117402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) 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 (204711869023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8529661198 + ... + 8529661221.

Almost surely, 2^204711869028 is an apocalyptic number.

It is an amenable number.

204711869028 is an abundant number, since it is smaller than the sum of its proper divisors (272949158732).

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

204711869028 is a wasteful number, since it uses less digits than its factorization.

204711869028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17059322426 (or 17059322424 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 204711869028 in words is "two hundred four billion, seven hundred eleven million, eight hundred sixty-nine thousand, twenty-eight".