204956395802 has 4 divisors (see below), whose sum is σ = 307434593706. Its totient is φ = 102478197900.

The previous prime is 204956395799. The next prime is 204956395837. The reversal of 204956395802 is 208593659402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 141224888401 + 63731507401 = 375799^2 + 252451^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51239098949 + ... + 51239098952.

Almost surely, 2^204956395802 is an apocalyptic number.

204956395802 is a deficient number, since it is larger than the sum of its proper divisors (102478197904).

204956395802 is a wasteful number, since it uses less digits than its factorization.

204956395802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102478197903.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 204956395802 in words is "two hundred four billion, nine hundred fifty-six million, three hundred ninety-five thousand, eight hundred two".