20012202200020 has 12 divisors (see below), whose sum is σ = 42025624620084. Its totient is φ = 8004880880000.

The previous prime is 20012202199919. The next prime is 20012202200033. The reversal of 20012202200020 is 2000220221002.

It can be written as a sum of positive squares in 2 ways, for example, as 2809633030416 + 17202569169604 = 1676196^2 + 4147598^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500305054981 + ... + 500305055020.

It is an arithmetic number, because the mean of its divisors is an integer number (3502135385007).

Almost surely, 2^{20012202200020} is an apocalyptic number.

20012202200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012202200020 is an abundant number, since it is smaller than the sum of its proper divisors (22013422420064).

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

20012202200020 is a wasteful number, since it uses less digits than its factorization.

20012202200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000610110010 (or 1000610110008 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20012202200020 its reverse (2000220221002), we get a palindrome (22012422421022).

The spelling of 20012202200020 in words is "twenty trillion, twelve billion, two hundred two million, two hundred thousand, twenty".