220132578 has 16 divisors (see below), whose sum is σ = 441942336. Its totient is φ = 73098000.

The previous prime is 220132513. The next prime is 220132597. The reversal of 220132578 is 875231022.

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, 68173 + ... + 71328.

It is an arithmetic number, because the mean of its divisors is an integer number (27621396).

Almost surely, 2^220132578 is an apocalyptic number.

220132578 is an abundant number, since it is smaller than the sum of its proper divisors (221809758).

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

220132578 is a wasteful number, since it uses less digits than its factorization.

220132578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139769.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 220132578 is about 14836.8655045464. The cubic root of 220132578 is about 603.8023142218.

The spelling of 220132578 in words is "two hundred twenty million, one hundred thirty-two thousand, five hundred seventy-eight".