204336645 has 16 divisors (see below), whose sum is σ = 334542912. Its totient is φ = 106444800.

The previous prime is 204336631. The next prime is 204336679. The reversal of 204336645 is 546633402.

204336645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204336645 - 2⁹ = 204336133 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157756 + ... + 159045.

It is an arithmetic number, because the mean of its divisors is an integer number (20908932).

Almost surely, 2^204336645 is an apocalyptic number.

It is an amenable number.

204336645 is a deficient number, since it is larger than the sum of its proper divisors (130206267).

204336645 is a wasteful number, since it uses less digits than its factorization.

204336645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316852.

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 204336645 is about 14294.6369313809. The cubic root of 204336645 is about 589.0001691067. Note that the first 3 decimals are identical.

The spelling of 204336645 in words is "two hundred four million, three hundred thirty-six thousand, six hundred forty-five".