220155796 has 12 divisors (see below), whose sum is σ = 440311648. Its totient is φ = 94352472.

The previous prime is 220155781. The next prime is 220155823. The reversal of 220155796 is 697551022.

220155796 is an admirable number.

It is a congruent number.

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, 3931326 + ... + 3931381.

Almost surely, 2^220155796 is an apocalyptic number.

It is an amenable number.

220155796 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.

220155796 is a wasteful number, since it uses less digits than its factorization.

220155796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862718 (or 7862716 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 220155796 is about 14837.6479268110. The cubic root of 220155796 is about 603.8235417163.

The spelling of 220155796 in words is "two hundred twenty million, one hundred fifty-five thousand, seven hundred ninety-six".