220355252 has 12 divisors (see below), whose sum is σ = 415284996. Its totient is φ = 101702400.

The previous prime is 220355243. The next prime is 220355273. The reversal of 220355252 is 252553022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21939856 + 198415396 = 4684^2 + 14086^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2118749 + ... + 2118852.

It is an arithmetic number, because the mean of its divisors is an integer number (34607083).

Almost surely, 2^220355252 is an apocalyptic number.

It is an amenable number.

220355252 is a deficient number, since it is larger than the sum of its proper divisors (194929744).

220355252 is a wasteful number, since it uses less digits than its factorization.

220355252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4237618 (or 4237616 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 220355252 is about 14844.3676860956. The cubic root of 220355252 is about 604.0058366759.

The spelling of 220355252 in words is "two hundred twenty million, three hundred fifty-five thousand, two hundred fifty-two".