204866756084 has 48 divisors (see below), whose sum is σ = 384063482880. Its totient is φ = 95282342400.

The previous prime is 204866756069. The next prime is 204866756089. The reversal of 204866756084 is 480657668402.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204866756089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1972157 + ... + 2073435.

It is an arithmetic number, because the mean of its divisors is an integer number (8001322560).

Almost surely, 2^204866756084 is an apocalyptic number.

It is an amenable number.

204866756084 is a deficient number, since it is larger than the sum of its proper divisors (179196726796).

204866756084 is a wasteful number, since it uses less digits than its factorization.

204866756084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101648 (or 101646 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 204866756084 in words is "two hundred four billion, eight hundred sixty-six million, seven hundred fifty-six thousand, eighty-four".