220507672 has 32 divisors (see below), whose sum is σ = 515473920. Its totient is φ = 85911840.

The previous prime is 220507667. The next prime is 220507699. The reversal of 220507672 is 276705022.

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, 178368 + ... + 179599.

It is an arithmetic number, because the mean of its divisors is an integer number (16108560).

Almost surely, 2^220507672 is an apocalyptic number.

220507672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220507672 is an abundant number, since it is smaller than the sum of its proper divisors (294966248).

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

220507672 is a wasteful number, since it uses less digits than its factorization.

220507672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357991 (or 357987 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 220507672 is about 14849.5007323479. The cubic root of 220507672 is about 604.1450684397.

The spelling of 220507672 in words is "two hundred twenty million, five hundred seven thousand, six hundred seventy-two".