220261504 has 32 divisors (see below), whose sum is σ = 440502300. Its totient is φ = 109704192.

The previous prime is 220261493. The next prime is 220261511. The reversal of 220261504 is 405162022.

It can be written as a sum of positive squares in 2 ways, for example, as 147671104 + 72590400 = 12152^2 + 8520^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31234 + ... + 37630.

Almost surely, 2^220261504 is an apocalyptic number.

It is an amenable number.

220261504 is a deficient number, since it is larger than the sum of its proper divisors (220240796).

220261504 is an equidigital number, since it uses as much as digits as its factorization.

220261504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680 (or 6668 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 220261504 is about 14841.2096542027. The cubic root of 220261504 is about 603.9201683885.

The spelling of 220261504 in words is "two hundred twenty million, two hundred sixty-one thousand, five hundred four".