20707753340912 has 40 divisors (see below), whose sum is σ = 43818568049712. Its totient is φ = 9401882342400.

The previous prime is 20707753340887. The next prime is 20707753340921. The reversal of 20707753340912 is 21904335770702.

It is a super-2 number, since 2×20707753340912² (a number of 27 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, 66925289 + ... + 67233992.

Almost surely, 2^{20707753340912} is an apocalyptic number.

20707753340912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20707753340912 is an abundant number, since it is smaller than the sum of its proper divisors (23110814708800).

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

20707753340912 is a wasteful number, since it uses less digits than its factorization.

20707753340912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134160177 (or 134160171 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 50.

The spelling of 20707753340912 in words is "twenty trillion, seven hundred seven billion, seven hundred fifty-three million, three hundred forty thousand, nine hundred twelve".