902090220 has 48 divisors (see below), whose sum is σ = 2529961728. Its totient is φ = 240166080.

The previous prime is 902090219. The next prime is 902090237. The reversal of 902090220 is 22090209.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25947 + ... + 49773.

It is an arithmetic number, because the mean of its divisors is an integer number (52707536).

Almost surely, 2^902090220 is an apocalyptic number.

It is an amenable number.

902090220 is an abundant number, since it is smaller than the sum of its proper divisors (1627871508).

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

902090220 is a wasteful number, since it uses less digits than its factorization.

902090220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24470 (or 24468 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 902090220 is about 30034.8167965113. The cubic root of 902090220 is about 966.2362456880.

The spelling of 902090220 in words is "nine hundred two million, ninety thousand, two hundred twenty".