204320780222724 has 81 divisors (see below), whose sum is σ = 567701060875221. Its totient is φ = 61915102064640.

The previous prime is 204320780222659. The next prime is 204320780222753. The reversal of 204320780222724 is 427222087023402.

The square root of 204320780222724 is 14294082.

It is a perfect power (a square), and thus also a powerful number.

204320780222724 is a `hidden beast` number, since 2 + 0 + 4 + 320 + 7 + 80 + 2 + 227 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52568735184900 + 151752045037824 = 7250430^2 + 12318768^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204320780222724.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 943301124 + ... + 943517700.

Almost surely, 2^{204320780222724} is an apocalyptic number.

204320780222724 is the 14294082-nd square number.

It is an amenable number.

204320780222724 is an abundant number, since it is smaller than the sum of its proper divisors (363380280652497).

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

204320780222724 is an frugal number, since it uses more digits than its factorization.

204320780222724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433186 (or 216593 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 45.

The spelling of 204320780222724 in words is "two hundred four trillion, three hundred twenty billion, seven hundred eighty million, two hundred twenty-two thousand, seven hundred twenty-four".