220221118020 has 48 divisors (see below), whose sum is σ = 616669740288. Its totient is φ = 58720811520.

The previous prime is 220221117989. The next prime is 220221118049. The reversal of 220221118020 is 20811122022.

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, 618997 + ... + 907523.

It is an arithmetic number, because the mean of its divisors is an integer number (12847286256).

Almost surely, 2^220221118020 is an apocalyptic number.

220221118020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220221118020 is an abundant number, since it is smaller than the sum of its proper divisors (396448622268).

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

220221118020 is a wasteful number, since it uses less digits than its factorization.

220221118020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301260 (or 301258 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The spelling of 220221118020 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred eighteen thousand, twenty".