220863272 has 32 divisors (see below), whose sum is σ = 474484800. Its totient is φ = 94414464.

The previous prime is 220863271. The next prime is 220863281. The reversal of 220863272 is 272368022.

It is not an unprimeable number, because it can be changed into a prime (220863271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18083 + ... + 27725.

It is an arithmetic number, because the mean of its divisors is an integer number (14827650).

Almost surely, 2^220863272 is an apocalyptic number.

It is an amenable number.

220863272 is an abundant number, since it is smaller than the sum of its proper divisors (253621528).

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

220863272 is a wasteful number, since it uses less digits than its factorization.

220863272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065 (or 10061 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 220863272 is about 14861.4693755362. The cubic root of 220863272 is about 604.4696506553.

The spelling of 220863272 in words is "two hundred twenty million, eight hundred sixty-three thousand, two hundred seventy-two".