220242508 has 12 divisors (see below), whose sum is σ = 385529760. Its totient is φ = 110091152.

The previous prime is 220242493. The next prime is 220242523. The reversal of 220242508 is 805242022.

220242508 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (220242493) and next prime (220242523).

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, 20685 + ... + 29467.

It is an arithmetic number, because the mean of its divisors is an integer number (32127480).

Almost surely, 2^220242508 is an apocalyptic number.

It is an amenable number.

220242508 is a deficient number, since it is larger than the sum of its proper divisors (165287252).

220242508 is a wasteful number, since it uses less digits than its factorization.

220242508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15056 (or 15054 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 220242508 is about 14840.5696656159. The cubic root of 220242508 is about 603.9028066055.

The spelling of 220242508 in words is "two hundred twenty million, two hundred forty-two thousand, five hundred eight".