220122215664260 has 72 divisors (see below), whose sum is σ = 572057261125056. Its totient is φ = 69665052862080.

The previous prime is 220122215664203. The next prime is 220122215664349. The reversal of 220122215664260 is 62466512221022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4651756046 + ... + 4651803365.

It is an arithmetic number, because the mean of its divisors is an integer number (7945239737848).

Almost surely, 2^{220122215664260} is an apocalyptic number.

220122215664260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220122215664260 is an abundant number, since it is smaller than the sum of its proper divisors (351935045460796).

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

220122215664260 is a wasteful number, since it uses less digits than its factorization.

220122215664260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9303559453 (or 9303559438 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

Adding to 220122215664260 its reverse (62466512221022), we get a palindrome (282588727885282).

The spelling of 220122215664260 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred fifteen million, six hundred sixty-four thousand, two hundred sixty".