204799902 has 16 divisors (see below), whose sum is σ = 410009472. Its totient is φ = 68198360.

The previous prime is 204799877. The next prime is 204799909. The reversal of 204799902 is 209997402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204799909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10368 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (25625592).

Almost surely, 2^204799902 is an apocalyptic number.

204799902 is an abundant number, since it is smaller than the sum of its proper divisors (205209570).

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

204799902 is a wasteful number, since it uses less digits than its factorization.

204799902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34143.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 204799902 is about 14310.8316320192. The cubic root of 204799902 is about 589.4449457629. Note that the first 3 decimals are identical.

It can be divided in two parts, 20479 and 9902, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 204799902 in words is "two hundred four million, seven hundred ninety-nine thousand, nine hundred two".