205272536268 has 24 divisors (see below), whose sum is σ = 479140207168. Its totient is φ = 68399756496.

The previous prime is 205272536239. The next prime is 205272536299. The reversal of 205272536268 is 862635272502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3017746 + ... + 3085017.

Almost surely, 2^205272536268 is an apocalyptic number.

It is an amenable number.

205272536268 is an abundant number, since it is smaller than the sum of its proper divisors (273867670900).

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

205272536268 is a wasteful number, since it uses less digits than its factorization.

205272536268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105573 (or 6105571 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 48.

The spelling of 205272536268 in words is "two hundred five billion, two hundred seventy-two million, five hundred thirty-six thousand, two hundred sixty-eight".