220506160 has 40 divisors (see below), whose sum is σ = 585917856. Its totient is φ = 75601920.

The previous prime is 220506157. The next prime is 220506197. The reversal of 220506160 is 61605022.

It is a tau number, because it is divible by the number of its divisors (40).

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, 196321 + ... + 197440.

Almost surely, 2^220506160 is an apocalyptic number.

220506160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220506160 is an abundant number, since it is smaller than the sum of its proper divisors (365411696).

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

220506160 is a wasteful number, since it uses less digits than its factorization.

220506160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393781 (or 393775 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 220506160 is about 14849.4498214580. The cubic root of 220506160 is about 604.1436875816.

The spelling of 220506160 in words is "two hundred twenty million, five hundred six thousand, one hundred sixty".