22020010120020 has 48 divisors (see below), whose sum is σ = 67261121823168. Its totient is φ = 5338184271360.

The previous prime is 22020010119959. The next prime is 22020010120051. The reversal of 22020010120020 is 2002101002022.

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

It is a junction number, because it is equal to n+sod(n) for n = 22020010119978 and 22020010120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16681825189 + ... + 16681826508.

It is an arithmetic number, because the mean of its divisors is an integer number (1401273371316).

Almost surely, 2^{22020010120020} is an apocalyptic number.

22020010120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020010120020 is an abundant number, since it is smaller than the sum of its proper divisors (45241111703148).

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

22020010120020 is a wasteful number, since it uses less digits than its factorization.

22020010120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33363651720 (or 33363651718 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22020010120020 its reverse (2002101002022), we get a palindrome (24022111122042).

The spelling of 22020010120020 in words is "twenty-two trillion, twenty billion, ten million, one hundred twenty thousand, twenty".