220268356 has 24 divisors (see below), whose sum is σ = 480586176. Its totient is φ = 85818720.

The previous prime is 220268333. The next prime is 220268393. The reversal of 220268356 is 653862022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 357271 + ... + 357886.

It is an arithmetic number, because the mean of its divisors is an integer number (20024424).

Almost surely, 2^220268356 is an apocalyptic number.

It is an amenable number.

220268356 is an abundant number, since it is smaller than the sum of its proper divisors (260317820).

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

220268356 is a wasteful number, since it uses less digits than its factorization.

220268356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715179 (or 715177 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 220268356 is about 14841.4404961244. The cubic root of 220268356 is about 603.9264306692.

The spelling of 220268356 in words is "two hundred twenty million, two hundred sixty-eight thousand, three hundred fifty-six".