20756164040152 has 64 divisors (see below), whose sum is σ = 40972490496000. Its totient is φ = 9844185558144.

The previous prime is 20756164040111. The next prime is 20756164040153. The reversal of 20756164040152 is 25104046165702.

It is a junction number, because it is equal to n+sod(n) for n = 20756164040099 and 20756164040108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20756164040153) 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, 435913 + ... + 6457735.

It is an arithmetic number, because the mean of its divisors is an integer number (640195164000).

Almost surely, 2^{20756164040152} is an apocalyptic number.

It is an amenable number.

20756164040152 is a deficient number, since it is larger than the sum of its proper divisors (20216326455848).

20756164040152 is a wasteful number, since it uses less digits than its factorization.

20756164040152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6022120 (or 6022116 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 20756164040152 in words is "twenty trillion, seven hundred fifty-six billion, one hundred sixty-four million, forty thousand, one hundred fifty-two".