22636336020 has 48 divisors (see below), whose sum is σ = 64145390400. Its totient is φ = 5963627776.

The previous prime is 22636335991. The next prime is 22636336027. The reversal of 22636336020 is 2063363622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22636336027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2267745 + ... + 2277704.

It is an arithmetic number, because the mean of its divisors is an integer number (1336362300).

Almost surely, 2^22636336020 is an apocalyptic number.

22636336020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22636336020 is an abundant number, since it is smaller than the sum of its proper divisors (41509054380).

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

22636336020 is a wasteful number, since it uses less digits than its factorization.

22636336020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545544 (or 4545542 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 22636336020 its reverse (2063363622), we get a palindrome (24699699642).

The spelling of 22636336020 in words is "twenty-two billion, six hundred thirty-six million, three hundred thirty-six thousand, twenty".