204022028 has 12 divisors (see below), whose sum is σ = 408044112. Its totient is φ = 87438000.

The previous prime is 204022001. The next prime is 204022043. The reversal of 204022028 is 820220402.

204022028 is an admirable number.

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, 3643223 + ... + 3643278.

It is an arithmetic number, because the mean of its divisors is an integer number (34003676).

Almost surely, 2^204022028 is an apocalyptic number.

204022028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

204022028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204022028 is a wasteful number, since it uses less digits than its factorization.

204022028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286512 (or 7286510 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 204022028 is about 14283.6279705123. The cubic root of 204022028 is about 588.6977194333.

The spelling of 204022028 in words is "two hundred four million, twenty-two thousand, twenty-eight".