22021122232020 has 24 divisors (see below), whose sum is σ = 61659142249824. Its totient is φ = 5872299261856.

The previous prime is 22021122232009. The next prime is 22021122232063. The reversal of 22021122232020 is 2023222112022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183509351874 + ... + 183509351993.

It is an arithmetic number, because the mean of its divisors is an integer number (2569130927076).

Almost surely, 2^{22021122232020} is an apocalyptic number.

22021122232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021122232020 is an abundant number, since it is smaller than the sum of its proper divisors (39638020017804).

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

22021122232020 is a wasteful number, since it uses less digits than its factorization.

22021122232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367018703879 (or 367018703877 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22021122232020 its reverse (2023222112022), we get a palindrome (24044344344042).

The spelling of 22021122232020 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-two million, two hundred thirty-two thousand, twenty".