204173020 has 12 divisors (see below), whose sum is σ = 428763384. Its totient is φ = 81669200.

The previous prime is 204173017. The next prime is 204173059. The reversal of 204173020 is 20371402.

It is a congruent 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, 5104306 + ... + 5104345.

It is an arithmetic number, because the mean of its divisors is an integer number (35730282).

Almost surely, 2^204173020 is an apocalyptic number.

204173020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204173020 is an abundant number, since it is smaller than the sum of its proper divisors (224590364).

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

204173020 is a wasteful number, since it uses less digits than its factorization.

204173020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10208660 (or 10208658 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 204173020 is about 14288.9124848604. The cubic root of 204173020 is about 588.8429108256.

The spelling of 204173020 in words is "two hundred four million, one hundred seventy-three thousand, twenty".