220927144 has 16 divisors (see below), whose sum is σ = 432249120. Its totient is φ = 105660720.

The previous prime is 220927123. The next prime is 220927153. The reversal of 220927144 is 441729022.

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, 600162 + ... + 600529.

It is an arithmetic number, because the mean of its divisors is an integer number (27015570).

Almost surely, 2^220927144 is an apocalyptic number.

It is an amenable number.

220927144 is a deficient number, since it is larger than the sum of its proper divisors (211321976).

220927144 is a wasteful number, since it uses less digits than its factorization.

220927144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200720 (or 1200716 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 220927144 is about 14863.6181328773. The cubic root of 220927144 is about 604.5279144007.

The spelling of 220927144 in words is "two hundred twenty million, nine hundred twenty-seven thousand, one hundred forty-four".