220117252 has 12 divisors (see below), whose sum is σ = 385497756. Its totient is φ = 109975040.

The previous prime is 220117237. The next prime is 220117273. The reversal of 220117252 is 252711022.

It can be written as a sum of positive squares in 2 ways, for example, as 34503876 + 185613376 = 5874^2 + 13624^2 .

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 3 ways as a sum of consecutive naturals, for example, 14773 + ... + 25660.

It is an arithmetic number, because the mean of its divisors is an integer number (32124813).

Almost surely, 2^220117252 is an apocalyptic number.

It is an amenable number.

220117252 is a deficient number, since it is larger than the sum of its proper divisors (165380504).

220117252 is a wasteful number, since it uses less digits than its factorization.

220117252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41798 (or 41796 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 220117252 is about 14836.3490118021. The cubic root of 220117252 is about 603.7883013193.

Adding to 220117252 its reverse (252711022), we get a palindrome (472828274).

The spelling of 220117252 in words is "two hundred twenty million, one hundred seventeen thousand, two hundred fifty-two".