204055004 has 12 divisors (see below), whose sum is σ = 362950728. Its totient is φ = 100354800.

The previous prime is 204054971. The next prime is 204055009. The reversal of 204055004 is 400550402.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204055009) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 417902 + ... + 418389.

It is an arithmetic number, because the mean of its divisors is an integer number (30245894).

Almost surely, 2^204055004 is an apocalyptic number.

It is an amenable number.

204055004 is a deficient number, since it is larger than the sum of its proper divisors (158895724).

204055004 is a wasteful number, since it uses less digits than its factorization.

204055004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836356 (or 836354 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 204055004 is about 14284.7822524531. The cubic root of 204055004 is about 588.7294347181.

The spelling of 204055004 in words is "two hundred four million, fifty-five thousand, four".