204554004 has 24 divisors (see below), whose sum is σ = 478255680. Its totient is φ = 68047104.

The previous prime is 204553931. The next prime is 204554017. The reversal of 204554004 is 400455402.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10909 + ... + 22980.

It is an arithmetic number, because the mean of its divisors is an integer number (19927320).

Almost surely, 2^204554004 is an apocalyptic number.

It is an amenable number.

204554004 is an abundant number, since it is smaller than the sum of its proper divisors (273701676).

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

204554004 is a wasteful number, since it uses less digits than its factorization.

204554004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34399 (or 34397 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 204554004 is about 14302.2377270132. The cubic root of 204554004 is about 589.2089407966.

The spelling of 204554004 in words is "two hundred four million, five hundred fifty-four thousand, four".