204907212 has 48 divisors (see below), whose sum is σ = 543607680. Its totient is φ = 66712464.

The previous prime is 204907189. The next prime is 204907223. The reversal of 204907212 is 212709402.

It is a super-2 number, since 2×204907212² = 83973931059225888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17418 + ... + 26705.

It is an arithmetic number, because the mean of its divisors is an integer number (11325160).

Almost surely, 2^204907212 is an apocalyptic number.

It is an amenable number.

204907212 is an abundant number, since it is smaller than the sum of its proper divisors (338700468).

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

204907212 is a wasteful number, since it uses less digits than its factorization.

204907212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44179 (or 44171 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 204907212 is about 14314.5803990197. The cubic root of 204907212 is about 589.5478792311.

The spelling of 204907212 in words is "two hundred four million, nine hundred seven thousand, two hundred twelve".