220020120101100 has 72 divisors (see below), whose sum is σ = 694463506365888. Its totient is φ = 53338210932800.

The previous prime is 220020120101087. The next prime is 220020120101113. The reversal of 220020120101100 is 1101021020022.

It is an interprime number because it is at equal distance from previous prime (220020120101087) and next prime (220020120101113).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33336378534 + ... + 33336385133.

It is an arithmetic number, because the mean of its divisors is an integer number (9645326477304).

Almost surely, 2^{220020120101100} is an apocalyptic number.

220020120101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220020120101100 is an abundant number, since it is smaller than the sum of its proper divisors (474443386264788).

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

220020120101100 is a wasteful number, since it uses less digits than its factorization.

220020120101100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66672763695 (or 66672763688 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220020120101100 its reverse (1101021020022), we get a palindrome (221121141121122).

The spelling of 220020120101100 in words is "two hundred twenty trillion, twenty billion, one hundred twenty million, one hundred one thousand, one hundred".