2200100200020 has 72 divisors (see below), whose sum is σ = 6688702159776. Its totient is φ = 585369001152.

The previous prime is 2200100200009. The next prime is 2200100200043. The reversal of 2200100200020 is 200020010022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2200100199975 and 2200100200011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13715722 + ... + 13875201.

It is an arithmetic number, because the mean of its divisors is an integer number (92898641108).

Almost surely, 2^{2200100200020} is an apocalyptic number.

2200100200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200100200020 is an abundant number, since it is smaller than the sum of its proper divisors (4488601959756).

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

2200100200020 is a wasteful number, since it uses less digits than its factorization.

2200100200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27591381 (or 27591376 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2200100200020 its reverse (200020010022), we get a palindrome (2400120210042).

The spelling of 2200100200020 in words is "two trillion, two hundred billion, one hundred million, two hundred thousand, twenty".