22535038798020 has 1728 divisors, whose sum is σ = 90326899353600. Its totient is φ = 4511324160000.

The previous prime is 22535038797967. The next prime is 22535038798031. The reversal of 22535038798020 is 2089783053522.

It is a happy number.

22535038798020 is a `hidden beast` number, since 2 + 2 + 53 + 503 + 8 + 7 + 9 + 80 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 15216095680 + ... + 15216097160.

It is an arithmetic number, because the mean of its divisors is an integer number (52272511200).

Almost surely, 2^{22535038798020} is an apocalyptic number.

22535038798020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22535038798020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45163449676800).

22535038798020 is an abundant number, since it is smaller than the sum of its proper divisors (67791860555580).

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

22535038798020 is a wasteful number, since it uses less digits than its factorization.

22535038798020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 22535038798020 in words is "twenty-two trillion, five hundred thirty-five billion, thirty-eight million, seven hundred ninety-eight thousand, twenty".