220155616 has 24 divisors (see below), whose sum is σ = 433916784. Its totient is φ = 109954560.

The previous prime is 220155613. The next prime is 220155623. The reversal of 220155616 is 616551022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220155613) 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, 29656 + ... + 36328.

It is an arithmetic number, because the mean of its divisors is an integer number (18079866).

Almost surely, 2^220155616 is an apocalyptic number.

It is an amenable number.

220155616 is a deficient number, since it is larger than the sum of its proper divisors (213761168).

220155616 is a wasteful number, since it uses less digits than its factorization.

220155616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714 (or 7706 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 220155616 is about 14837.6418611584. The cubic root of 220155616 is about 603.8233771536.

The spelling of 220155616 in words is "two hundred twenty million, one hundred fifty-five thousand, six hundred sixteen".