204797900 has 36 divisors (see below), whose sum is σ = 449424360. Its totient is φ = 80995200.

The previous prime is 204797899. The next prime is 204797939. The reversal of 204797900 is 9797402.

It is a happy number.

204797900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2606 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (12484010).

Almost surely, 2^204797900 is an apocalyptic number.

204797900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204797900 is an abundant number, since it is smaller than the sum of its proper divisors (244626460).

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

204797900 is a wasteful number, since it uses less digits than its factorization.

204797900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23114 (or 23107 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 204797900 is about 14310.7616848301. The cubic root of 204797900 is about 589.4430250708.

The spelling of 204797900 in words is "two hundred four million, seven hundred ninety-seven thousand, nine hundred".