204884650680 has 64 divisors (see below), whose sum is σ = 634481510400. Its totient is φ = 52873457280.

The previous prime is 204884650669. The next prime is 204884650697. The reversal of 204884650680 is 86056488402.

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, 27534540 + ... + 27541979.

It is an arithmetic number, because the mean of its divisors is an integer number (9913773600).

Almost surely, 2^204884650680 is an apocalyptic number.

204884650680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204884650680 is an abundant number, since it is smaller than the sum of its proper divisors (429596859720).

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

204884650680 is a wasteful number, since it uses less digits than its factorization.

204884650680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55076564 (or 55076560 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 51.

The spelling of 204884650680 in words is "two hundred four billion, eight hundred eighty-four million, six hundred fifty thousand, six hundred eighty".