220171252 has 12 divisors (see below), whose sum is σ = 440342560. Its totient is φ = 94359096.

The previous prime is 220171243. The next prime is 220171261. The reversal of 220171252 is 252171022.

It is an interprime number because it is at equal distance from previous prime (220171243) and next prime (220171261).

220171252 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931602 + ... + 3931657.

Almost surely, 2^220171252 is an apocalyptic number.

It is an amenable number.

220171252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220171252 is a wasteful number, since it uses less digits than its factorization.

220171252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863270 (or 7863268 counting only the distinct ones).

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

The square root of 220171252 is about 14838.1687549374. The cubic root of 220171252 is about 603.8376718284.

The spelling of 220171252 in words is "two hundred twenty million, one hundred seventy-one thousand, two hundred fifty-two".