220761662572 has 48 divisors (see below), whose sum is σ = 428891393952. Its totient is φ = 98586132480.

The previous prime is 220761662507. The next prime is 220761662599. The reversal of 220761662572 is 275266167022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691768 + ... + 959200.

It is an arithmetic number, because the mean of its divisors is an integer number (8935237374).

Almost surely, 2^220761662572 is an apocalyptic number.

220761662572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220761662572 is a deficient number, since it is larger than the sum of its proper divisors (208129731380).

220761662572 is a wasteful number, since it uses less digits than its factorization.

220761662572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267778 (or 267776 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 220761662572 in words is "two hundred twenty billion, seven hundred sixty-one million, six hundred sixty-two thousand, five hundred seventy-two".