22201021132020 has 72 divisors (see below), whose sum is σ = 67365554256000. Its totient is φ = 5918298075840.

The previous prime is 22201021131967. The next prime is 22201021132097. The reversal of 22201021132020 is 2023112010222.

22201021132020 is a `hidden beast` number, since 2 + 220 + 102 + 1 + 1 + 320 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22201021131984 and 22201021132002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20023536 + ... + 21103175.

It is an arithmetic number, because the mean of its divisors is an integer number (935632698000).

Almost surely, 2^{22201021132020} is an apocalyptic number.

22201021132020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201021132020 is an abundant number, since it is smaller than the sum of its proper divisors (45164533123980).

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

22201021132020 is a wasteful number, since it uses less digits than its factorization.

22201021132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41129725 (or 41129720 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22201021132020 its reverse (2023112010222), we get a palindrome (24224133142242).

The spelling of 22201021132020 in words is "twenty-two trillion, two hundred one billion, twenty-one million, one hundred thirty-two thousand, twenty".