204040604 has 12 divisors (see below), whose sum is σ = 360607128. Its totient is φ = 101010000.

The previous prime is 204040589. The next prime is 204040649. The reversal of 204040604 is 406040402.

204040604 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 252122 + ... + 252929.

It is an arithmetic number, because the mean of its divisors is an integer number (30050594).

Almost surely, 2^204040604 is an apocalyptic number.

It is an amenable number.

204040604 is a deficient number, since it is larger than the sum of its proper divisors (156566524).

204040604 is a wasteful number, since it uses less digits than its factorization.

204040604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505156 (or 505154 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204040604 is about 14284.2782106762. The cubic root of 204040604 is about 588.7155856691.

The spelling of 204040604 in words is "two hundred four million, forty thousand, six hundred four".