220323492 has 18 divisors (see below), whose sum is σ = 556928918. Its totient is φ = 73441152.

The previous prime is 220323473. The next prime is 220323539. The reversal of 220323492 is 294323022.

220323492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 203233536 + 17089956 = 14256^2 + 4134^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×220323492² = 97084882254148128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3060013 + ... + 3060084.

Almost surely, 2^220323492 is an apocalyptic number.

It is an amenable number.

220323492 is an abundant number, since it is smaller than the sum of its proper divisors (336605426).

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

220323492 is a wasteful number, since it uses less digits than its factorization.

220323492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6120107 (or 6120102 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 220323492 is about 14843.2978815356. The cubic root of 220323492 is about 603.9768166474.

The spelling of 220323492 in words is "two hundred twenty million, three hundred twenty-three thousand, four hundred ninety-two".