220085810 has 16 divisors (see below), whose sum is σ = 452748096. Its totient is φ = 75457968.

The previous prime is 220085713. The next prime is 220085857. The reversal of 220085810 is 18580022.

220085810 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 2×220085810² = 96875527526712200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220085810.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571972 + ... + 1572111.

It is an arithmetic number, because the mean of its divisors is an integer number (28296756).

Almost surely, 2^220085810 is an apocalyptic number.

220085810 is an abundant number, since it is smaller than the sum of its proper divisors (232662286).

220085810 is a wasteful number, since it uses less digits than its factorization.

220085810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144097.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 220085810 is about 14835.2893466895. The cubic root of 220085810 is about 603.7595511637.

The spelling of 220085810 in words is "two hundred twenty million, eighty-five thousand, eight hundred ten".