22454736020 has 12 divisors (see below), whose sum is σ = 47154945684. Its totient is φ = 8981894400.

The previous prime is 22454736001. The next prime is 22454736023. The reversal of 22454736020 is 2063745422.

It can be written as a sum of positive squares in 2 ways, for example, as 15317527696 + 7137208324 = 123764^2 + 84482^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22454736023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561368381 + ... + 561368420.

It is an arithmetic number, because the mean of its divisors is an integer number (3929578807).

Almost surely, 2^22454736020 is an apocalyptic number.

22454736020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22454736020 is an abundant number, since it is smaller than the sum of its proper divisors (24700209664).

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

22454736020 is a wasteful number, since it uses less digits than its factorization.

22454736020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122736810 (or 1122736808 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 22454736020 in words is "twenty-two billion, four hundred fifty-four million, seven hundred thirty-six thousand, twenty".