20740752922256 has 10 divisors (see below), whose sum is σ = 40185208786902. Its totient is φ = 10370376461120.

The previous prime is 20740752922223. The next prime is 20740752922297. The reversal of 20740752922256 is 65222925704702.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17227812409600 + 3512940512656 = 4150640^2 + 1874284^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20740752922198 and 20740752922207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648148528805 + ... + 648148528836.

Almost surely, 2^{20740752922256} is an apocalyptic number.

It is an amenable number.

20740752922256 is a deficient number, since it is larger than the sum of its proper divisors (19444455864646).

20740752922256 is a wasteful number, since it uses less digits than its factorization.

20740752922256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296297057649 (or 1296297057643 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 53.

The spelling of 20740752922256 in words is "twenty trillion, seven hundred forty billion, seven hundred fifty-two million, nine hundred twenty-two thousand, two hundred fifty-six".