220257512 has 16 divisors (see below), whose sum is σ = 417241860. Its totient is φ = 108993024.

The previous prime is 220257493. The next prime is 220257529. The reversal of 220257512 is 215752022.

It can be written as a sum of positive squares in 2 ways, for example, as 206611876 + 13645636 = 14374^2 + 3694^2 .

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, 141143 + ... + 142694.

Almost surely, 2^220257512 is an apocalyptic number.

It is an amenable number.

220257512 is a deficient number, since it is larger than the sum of its proper divisors (196984348).

220257512 is a wasteful number, since it uses less digits than its factorization.

220257512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283940 (or 283936 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 220257512 is about 14841.0751632084. The cubic root of 220257512 is about 603.9165199013.

The spelling of 220257512 in words is "two hundred twenty million, two hundred fifty-seven thousand, five hundred twelve".