220458912 has 24 divisors (see below), whose sum is σ = 578704896. Its totient is φ = 73486272.

The previous prime is 220458911. The next prime is 220458923. The reversal of 220458912 is 219854022.

220458912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (220458911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148128 + ... + 1148319.

It is an arithmetic number, because the mean of its divisors is an integer number (24112704).

Almost surely, 2^220458912 is an apocalyptic number.

It is an amenable number.

220458912 is an abundant number, since it is smaller than the sum of its proper divisors (358245984).

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

220458912 is a wasteful number, since it uses less digits than its factorization.

220458912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296460 (or 2296452 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 220458912 is about 14847.8588355358. The cubic root of 220458912 is about 604.1005344108.

It can be divided in two parts, 2204 and 58912, that added together give a palindrome (61116).

The spelling of 220458912 in words is "two hundred twenty million, four hundred fifty-eight thousand, nine hundred twelve".