220908 has 24 divisors (see below), whose sum is σ = 529200. Its totient is φ = 71680.

The previous prime is 220907. The next prime is 220919. The reversal of 220908 is 809022.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 220908.

It is not an unprimeable number, because it can be changed into a prime (220901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (22050).

2²²⁰⁹⁰⁸ is an apocalyptic number.

It is an amenable number.

220908 is an abundant number, since it is smaller than the sum of its proper divisors (308292).

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

220908 is a wasteful number, since it uses less digits than its factorization.

220908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 220908 is about 470.0085105612. The cubic root of 220908 is about 60.4510452510.

It can be divided in two parts, 220 and 908, that added together give a triangular number (1128 = T₄₇).

The spelling of 220908 in words is "two hundred twenty thousand, nine hundred eight".