20525102514 has 64 divisors (see below), whose sum is σ = 52157767680. Its totient is φ = 5860881360.

The previous prime is 20525102501. The next prime is 20525102531. The reversal of 20525102514 is 41520152502.

20525102514 is a `hidden beast` number, since 20 + 5 + 25 + 102 + 514 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 669567 + ... + 699549.

It is an arithmetic number, because the mean of its divisors is an integer number (814965120).

Almost surely, 2^20525102514 is an apocalyptic number.

20525102514 is an abundant number, since it is smaller than the sum of its proper divisors (31632665166).

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

20525102514 is a wasteful number, since it uses less digits than its factorization.

20525102514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31812 (or 31806 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 20525102514 in words is "twenty billion, five hundred twenty-five million, one hundred two thousand, five hundred fourteen".