220879176 has 64 divisors (see below), whose sum is σ = 635335680. Its totient is φ = 62683200.

The previous prime is 220879163. The next prime is 220879193. The reversal of 220879176 is 671978022.

It is a super-2 number, since 2×220879176² = 97575220780877952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 21015 + ... + 29721.

It is an arithmetic number, because the mean of its divisors is an integer number (9927120).

Almost surely, 2^220879176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220879176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317667840).

220879176 is an abundant number, since it is smaller than the sum of its proper divisors (414456504).

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

220879176 is a wasteful number, since it uses less digits than its factorization.

220879176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8874 (or 8870 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 220879176 is about 14862.0044408552. The cubic root of 220879176 is about 604.4841592613.

The spelling of 220879176 in words is "two hundred twenty million, eight hundred seventy-nine thousand, one hundred seventy-six".