20013062307525 has 144 divisors (see below), whose sum is σ = 41078410813440. Its totient is φ = 9123836457600.

The previous prime is 20013062307431. The next prime is 20013062307529. The reversal of 20013062307525 is 52570326031002.

20013062307525 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 3 + 0 + 623 + 0 + 7 + 5 + 25 = 666.

It is not a de Polignac number, because 20013062307525 - 2¹¹ = 20013062305477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20013062307525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20013062307529) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2269307566 + ... + 2269316384.

It is an arithmetic number, because the mean of its divisors is an integer number (285266741760).

Almost surely, 2^{20013062307525} is an apocalyptic number.

20013062307525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20013062307525 is an abundant number, since it is smaller than the sum of its proper divisors (21065348505915).

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

20013062307525 is a wasteful number, since it uses less digits than its factorization.

20013062307525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12616 (or 12608 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

Adding to 20013062307525 its reverse (52570326031002), we get a palindrome (72583388338527).

The spelling of 20013062307525 in words is "twenty trillion, thirteen billion, sixty-two million, three hundred seven thousand, five hundred twenty-five".