220290912 has 36 divisors (see below), whose sum is σ = 626453100. Its totient is φ = 73430208.

The previous prime is 220290911. The next prime is 220290943. The reversal of 220290912 is 219092022.

220290912 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 (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220290911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 382162 + ... + 382737.

It is an arithmetic number, because the mean of its divisors is an integer number (17401475).

Almost surely, 2^220290912 is an apocalyptic number.

It is an amenable number.

220290912 is an abundant number, since it is smaller than the sum of its proper divisors (406162188).

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

220290912 is a wasteful number, since it uses less digits than its factorization.

220290912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764915 (or 764904 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 220290912 is about 14842.2003759550. The cubic root of 220290912 is about 603.9470444633.

The spelling of 220290912 in words is "two hundred twenty million, two hundred ninety thousand, nine hundred twelve".