204885812 has 24 divisors (see below), whose sum is σ = 371505960. Its totient is φ = 98752640.

The previous prime is 204885781. The next prime is 204885833. The reversal of 204885812 is 218588402.

204885812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 52215076 + 152670736 = 7226^2 + 12356^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108218 + ... + 110094.

It is an arithmetic number, because the mean of its divisors is an integer number (15479415).

Almost surely, 2^204885812 is an apocalyptic number.

It is an amenable number.

204885812 is a deficient number, since it is larger than the sum of its proper divisors (166620148).

204885812 is a wasteful number, since it uses less digits than its factorization.

204885812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2849 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 204885812 is about 14313.8328899006. The cubic root of 204885812 is about 589.5273548781.

The spelling of 204885812 in words is "two hundred four million, eight hundred eighty-five thousand, eight hundred twelve".