220415553256 has 16 divisors (see below), whose sum is σ = 413540920800. Its totient is φ = 110137974384.

The previous prime is 220415553233. The next prime is 220415553287. The reversal of 220415553256 is 652355514022.

220415553256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220415553256² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8711860 + ... + 8737123.

It is an arithmetic number, because the mean of its divisors is an integer number (25846307550).

Almost surely, 2^220415553256 is an apocalyptic number.

It is an amenable number.

220415553256 is a deficient number, since it is larger than the sum of its proper divisors (193125367544).

220415553256 is a wasteful number, since it uses less digits than its factorization.

220415553256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17450568 (or 17450564 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 220415553256 in words is "two hundred twenty billion, four hundred fifteen million, five hundred fifty-three thousand, two hundred fifty-six".