20956592785152 has 72 divisors (see below), whose sum is σ = 55784761661440. Its totient is φ = 6984320670720.

The previous prime is 20956592785099. The next prime is 20956592785159. The reversal of 20956592785152 is 25158729565902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20956592785159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077377 + ... + 6799167.

Almost surely, 2^{20956592785152} is an apocalyptic number.

It is an amenable number.

20956592785152 is an abundant number, since it is smaller than the sum of its proper divisors (34828168876288).

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

20956592785152 is an equidigital number, since it uses as much as digits as its factorization.

20956592785152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4727589 (or 4727575 counting only the distinct ones).

The product of its (nonzero) digits is 136080000, while the sum is 66.

The spelling of 20956592785152 in words is "twenty trillion, nine hundred fifty-six billion, five hundred ninety-two million, seven hundred eighty-five thousand, one hundred fifty-two".