210220099980 has 96 divisors (see below), whose sum is σ = 646746750720. Its totient is φ = 50595790080.

The previous prime is 210220099939. The next prime is 210220099997. The reversal of 210220099980 is 89990022012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053999 + ... + 1237478.

It is an arithmetic number, because the mean of its divisors is an integer number (6736945320).

Almost surely, 2^210220099980 is an apocalyptic number.

210220099980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210220099980 is an abundant number, since it is smaller than the sum of its proper divisors (436526650740).

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

210220099980 is a wasteful number, since it uses less digits than its factorization.

210220099980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291639 (or 2291637 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 210220099980 in words is "two hundred ten billion, two hundred twenty million, ninety-nine thousand, nine hundred eighty".