220860888688 has 40 divisors (see below), whose sum is σ = 469165507200. Its totient is φ = 99886818240.

The previous prime is 220860888679. The next prime is 220860888701. The reversal of 220860888688 is 886888068022.

It is a happy number.

It is a super-2 number, since 2×220860888688² (a number of 23 digits) contains 22 as substring.

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, 3117970 + ... + 3188017.

It is an arithmetic number, because the mean of its divisors is an integer number (11729137680).

Almost surely, 2^220860888688 is an apocalyptic number.

It is an amenable number.

220860888688 is an abundant number, since it is smaller than the sum of its proper divisors (248304618512).

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

220860888688 is a wasteful number, since it uses less digits than its factorization.

220860888688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6306205 (or 6306199 counting only the distinct ones).

The product of its (nonzero) digits is 37748736, while the sum is 64.

It can be divided in two parts, 2208608 and 88688, that added together give a triangular number (2297296 = T₂₁₄₃).

The spelling of 220860888688 in words is "two hundred twenty billion, eight hundred sixty million, eight hundred eighty-eight thousand, six hundred eighty-eight".