22561342352020 has 48 divisors (see below), whose sum is σ = 47817867924288. Its totient is φ = 8941131879680.

The previous prime is 22561342351993. The next prime is 22561342352033. The reversal of 22561342352020 is 2025324316522.

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, 5361742 + ... + 8594821.

It is an arithmetic number, because the mean of its divisors is an integer number (996205581756).

Almost surely, 2^{22561342352020} is an apocalyptic number.

22561342352020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22561342352020 is an abundant number, since it is smaller than the sum of its proper divisors (25256525572268).

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

22561342352020 is a wasteful number, since it uses less digits than its factorization.

22561342352020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13957320 (or 13957318 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 22561342352020 its reverse (2025324316522), we get a palindrome (24586666668542).

The spelling of 22561342352020 in words is "twenty-two trillion, five hundred sixty-one billion, three hundred forty-two million, three hundred fifty-two thousand, twenty".