204735020 has 48 divisors (see below), whose sum is σ = 492609600. Its totient is φ = 70017024.

The previous prime is 204734993. The next prime is 204735031. The reversal of 204735020 is 20537402.

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, 61232 + ... + 64488.

It is an arithmetic number, because the mean of its divisors is an integer number (10262700).

Almost surely, 2^204735020 is an apocalyptic number.

204735020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204735020 is an abundant number, since it is smaller than the sum of its proper divisors (287874580).

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

204735020 is a wasteful number, since it uses less digits than its factorization.

204735020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 204735020 is about 14308.5645681179. The cubic root of 204735020 is about 589.3826924675.

The spelling of 204735020 in words is "two hundred four million, seven hundred thirty-five thousand, twenty".