220568356 has 24 divisors (see below), whose sum is σ = 398335896. Its totient is φ = 106798080.

The previous prime is 220568329. The next prime is 220568363. The reversal of 220568356 is 653865022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51984100 + 168584256 = 7210^2 + 12984^2 .

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 7 ways as a sum of consecutive naturals, for example, 17560 + ... + 27376.

It is an arithmetic number, because the mean of its divisors is an integer number (16597329).

Almost surely, 2^220568356 is an apocalyptic number.

It is an amenable number.

220568356 is a deficient number, since it is larger than the sum of its proper divisors (177767540).

220568356 is a wasteful number, since it uses less digits than its factorization.

220568356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999 (or 9997 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 220568356 is about 14851.5438928079. The cubic root of 220568356 is about 604.2004838611.

The spelling of 220568356 in words is "two hundred twenty million, five hundred sixty-eight thousand, three hundred fifty-six".