220902089220 has 48 divisors (see below), whose sum is σ = 687250945920. Its totient is φ = 58907223648.

The previous prime is 220902089207. The next prime is 220902089237. The reversal of 220902089220 is 22980209022.

220902089220 is a `hidden beast` number, since 220 + 9 + 0 + 208 + 9 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 204538432 + ... + 204539511.

It is an arithmetic number, because the mean of its divisors is an integer number (14317728040).

Almost surely, 2^220902089220 is an apocalyptic number.

220902089220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220902089220 is an abundant number, since it is smaller than the sum of its proper divisors (466348856700).

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

220902089220 is a wasteful number, since it uses less digits than its factorization.

220902089220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409077961 (or 409077953 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 220902089220 in words is "two hundred twenty billion, nine hundred two million, eighty-nine thousand, two hundred twenty".