204036616620 has 72 divisors (see below), whose sum is σ = 618997199184. Its totient is φ = 54402192768.

The previous prime is 204036616607. The next prime is 204036616639. The reversal of 204036616620 is 26616630402.

204036616620 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 36 + 616 + 6 + 2 + 0 = 666.

204036616620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1283362 + ... + 1433558.

It is an arithmetic number, because the mean of its divisors is an integer number (8597183322).

Almost surely, 2^204036616620 is an apocalyptic number.

204036616620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204036616620 is an abundant number, since it is smaller than the sum of its proper divisors (414960582564).

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

204036616620 is a wasteful number, since it uses less digits than its factorization.

204036616620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157759 (or 157754 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 204036616620 in words is "two hundred four billion, thirty-six million, six hundred sixteen thousand, six hundred twenty".