20725014687 has 48 divisors (see below), whose sum is σ = 31746359808. Its totient is φ = 11979502080.

The previous prime is 20725014671. The next prime is 20725014701. The reversal of 20725014687 is 78641052702.

It is not a de Polignac number, because 20725014687 - 2⁴ = 20725014671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20725014487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4850362 + ... + 4854632.

It is an arithmetic number, because the mean of its divisors is an integer number (661382496).

Almost surely, 2^20725014687 is an apocalyptic number.

20725014687 is a deficient number, since it is larger than the sum of its proper divisors (11021345121).

20725014687 is a wasteful number, since it uses less digits than its factorization.

20725014687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4880 (or 4867 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 20725014687 in words is "twenty billion, seven hundred twenty-five million, fourteen thousand, six hundred eighty-seven".