22022021120020 has 48 divisors (see below), whose sum is σ = 48990053463120. Its totient is φ = 8286674264064.

The previous prime is 22022021119993. The next prime is 22022021120051. The reversal of 22022021120020 is 2002112022022.

It can be written as a sum of positive squares in 8 ways, for example, as 1056446842896 + 20965574277124 = 1027836^2 + 4578818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22022021119976 and 22022021120003.

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, 14792529 + ... + 16213048.

It is an arithmetic number, because the mean of its divisors is an integer number (1020626113815).

Almost surely, 2^{22022021120020} is an apocalyptic number.

22022021120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22022021120020 is an abundant number, since it is smaller than the sum of its proper divisors (26968032343100).

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

22022021120020 is a wasteful number, since it uses less digits than its factorization.

22022021120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31007692 (or 31007690 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022021120020 its reverse (2002112022022), we get a palindrome (24024133142042).

The spelling of 22022021120020 in words is "twenty-two trillion, twenty-two billion, twenty-one million, one hundred twenty thousand, twenty".