20102525485056 has 855 divisors, whose sum is σ = 70371120770379. Its totient is φ = 5702257999872.

The previous prime is 20102525485051. The next prime is 20102525485099. The reversal of 20102525485056 is 65058452520102.

The square root of 20102525485056 is 4483584.

It is a perfect power (a square), and thus also a powerful number.

20102525485056 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 2 + 5 + 2 + 548 + 50 + 56 = 666.

It is a super-2 number, since 2×20102525485056² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20102525485051) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 144622485435 + ... + 144622485573.

Almost surely, 2^{20102525485056} is an apocalyptic number.

20102525485056 is the 4483584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20102525485056

20102525485056 is an abundant number, since it is smaller than the sum of its proper divisors (50268595285323).

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

20102525485056 is an frugal number, since it uses more digits than its factorization.

20102525485056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The spelling of 20102525485056 in words is "twenty trillion, one hundred two billion, five hundred twenty-five million, four hundred eighty-five thousand, fifty-six".