22036646720 has 56 divisors (see below), whose sum is σ = 57245207328. Its totient is φ = 8013324800.

The previous prime is 22036646707. The next prime is 22036646741. The reversal of 22036646720 is 2764663022.

It is a super-2 number, since 2×22036646720² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3126686 + ... + 3133725.

Almost surely, 2^22036646720 is an apocalyptic number.

22036646720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22036646720 is an abundant number, since it is smaller than the sum of its proper divisors (35208560608).

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

22036646720 is a wasteful number, since it uses less digits than its factorization.

22036646720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260439 (or 6260429 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 22036646720 in words is "twenty-two billion, thirty-six million, six hundred forty-six thousand, seven hundred twenty".