220866252 has 24 divisors (see below), whose sum is σ = 515649456. Its totient is φ = 73579968.

The previous prime is 220866229. The next prime is 220866257. The reversal of 220866252 is 252668022.

It is not an unprimeable number, because it can be changed into a prime (220866257) 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 7 ways as a sum of consecutive naturals, for example, 22398 + ... + 30714.

It is an arithmetic number, because the mean of its divisors is an integer number (21485394).

Almost surely, 2^220866252 is an apocalyptic number.

It is an amenable number.

220866252 is an abundant number, since it is smaller than the sum of its proper divisors (294783204).

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

220866252 is a wasteful number, since it uses less digits than its factorization.

220866252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537 (or 10535 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 220866252 is about 14861.5696344632. The cubic root of 220866252 is about 604.4723692475.

The spelling of 220866252 in words is "two hundred twenty million, eight hundred sixty-six thousand, two hundred fifty-two".