220112550 has 72 divisors (see below), whose sum is σ = 675860016. Its totient is φ = 50310720.

The previous prime is 220112527. The next prime is 220112569. The reversal of 220112550 is 55211022.

220112550 is a `hidden beast` number, since 2 + 2 + 0 + 112 + 550 = 666.

220112550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31789 + ... + 38088.

Almost surely, 2^220112550 is an apocalyptic number.

220112550 is an abundant number, since it is smaller than the sum of its proper divisors (455747466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220112550 is a wasteful number, since it uses less digits than its factorization.

220112550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69902 (or 69894 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 220112550 is about 14836.1905487898. The cubic root of 220112550 is about 603.7840020458.

Adding to 220112550 its reverse (55211022), we get a palindrome (275323572).

The spelling of 220112550 in words is "two hundred twenty million, one hundred twelve thousand, five hundred fifty".