205239327472 has 40 divisors (see below), whose sum is σ = 421073554032. Its totient is φ = 96576076800.

The previous prime is 205239327457. The next prime is 205239327533. The reversal of 205239327472 is 274723932502.

It is a congruent number.

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, 6275322 + ... + 6307942.

Almost surely, 2^205239327472 is an apocalyptic number.

It is an amenable number.

205239327472 is an abundant number, since it is smaller than the sum of its proper divisors (215834226560).

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

205239327472 is a wasteful number, since it uses less digits than its factorization.

205239327472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55777 (or 55771 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 46.

The spelling of 205239327472 in words is "two hundred five billion, two hundred thirty-nine million, three hundred twenty-seven thousand, four hundred seventy-two".