255182220 has 36 divisors (see below), whose sum is σ = 774053280. Its totient is φ = 68048544.

The previous prime is 255182209. The next prime is 255182233. The reversal of 255182220 is 22281552.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 708660 + ... + 709019.

It is an arithmetic number, because the mean of its divisors is an integer number (21501480).

Almost surely, 2^255182220 is an apocalyptic number.

255182220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255182220 is an abundant number, since it is smaller than the sum of its proper divisors (518871060).

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

255182220 is a wasteful number, since it uses less digits than its factorization.

255182220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417694 (or 1417689 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 255182220 is about 15974.4239332753. The cubic root of 255182220 is about 634.2835824653.

The spelling of 255182220 in words is "two hundred fifty-five million, one hundred eighty-two thousand, two hundred twenty".