20025152685 has 24 divisors (see below), whose sum is σ = 34719453600. Its totient is φ = 10677254112.

The previous prime is 20025152663. The next prime is 20025152747. The reversal of 20025152685 is 58625152002.

It is a happy number.

20025152685 is a `hidden beast` number, since 2 + 0 + 0 + 2 + 51 + 526 + 85 = 666.

It is not a de Polignac number, because 20025152685 - 2⁷ = 20025152557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118866 + ... + 232764.

It is an arithmetic number, because the mean of its divisors is an integer number (1446643900).

Almost surely, 2^20025152685 is an apocalyptic number.

It is an amenable number.

20025152685 is a deficient number, since it is larger than the sum of its proper divisors (14694300915).

20025152685 is a wasteful number, since it uses less digits than its factorization.

20025152685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117817 (or 117814 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 20025152685 in words is "twenty billion, twenty-five million, one hundred fifty-two thousand, six hundred eighty-five".