20756512225060 has 12 divisors (see below), whose sum is σ = 43588675672668. Its totient is φ = 8302604890016.

The previous prime is 20756512225021. The next prime is 20756512225081. The reversal of 20756512225060 is 6052221565702.

It can be written as a sum of positive squares in 2 ways, for example, as 14883731907136 + 5872780317924 = 3857944^2 + 2423382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20756512224998 and 20756512225016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518912805607 + ... + 518912805646.

It is an arithmetic number, because the mean of its divisors is an integer number (3632389639389).

Almost surely, 2^{20756512225060} is an apocalyptic number.

20756512225060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20756512225060 is an abundant number, since it is smaller than the sum of its proper divisors (22832163447608).

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

20756512225060 is a wasteful number, since it uses less digits than its factorization.

20756512225060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1037825611262 (or 1037825611260 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 20756512225060 in words is "twenty trillion, seven hundred fifty-six billion, five hundred twelve million, two hundred twenty-five thousand, sixty".