204970872 has 32 divisors (see below), whose sum is σ = 518918400. Its totient is φ = 67458144.

The previous prime is 204970837. The next prime is 204970877. The reversal of 204970872 is 278079402.

It is a self number, because there is not a number n which added to its sum of digits gives 204970872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204970877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52158 + ... + 55949.

It is an arithmetic number, because the mean of its divisors is an integer number (16216200).

Almost surely, 2^204970872 is an apocalyptic number.

It is an amenable number.

204970872 is an abundant number, since it is smaller than the sum of its proper divisors (313947528).

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

204970872 is a wasteful number, since it uses less digits than its factorization.

204970872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108195 (or 108191 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 204970872 is about 14316.8038332583. The cubic root of 204970872 is about 589.6089259388.

The spelling of 204970872 in words is "two hundred four million, nine hundred seventy thousand, eight hundred seventy-two".