220107256 has 16 divisors (see below), whose sum is σ = 415952640. Its totient is φ = 109186560.

The previous prime is 220107253. The next prime is 220107257. The reversal of 220107256 is 652701022.

It is a self number, because there is not a number n which added to its sum of digits gives 220107256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220107253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107305 + ... + 109336.

It is an arithmetic number, because the mean of its divisors is an integer number (25997040).

Almost surely, 2^220107256 is an apocalyptic number.

It is an amenable number.

220107256 is a deficient number, since it is larger than the sum of its proper divisors (195845384).

220107256 is a wasteful number, since it uses less digits than its factorization.

220107256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216774 (or 216770 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 220107256 is about 14836.0121326453. The cubic root of 220107256 is about 603.7791614038.

Adding to 220107256 its reverse (652701022), we get a palindrome (872808278).

The spelling of 220107256 in words is "two hundred twenty million, one hundred seven thousand, two hundred fifty-six".