20315536025 has 48 divisors (see below), whose sum is σ = 27272540160. Its totient is φ = 14965843200.

The previous prime is 20315535997. The next prime is 20315536049. The reversal of 20315536025 is 52063551302.

It is not a de Polignac number, because 20315536025 - 2¹⁴ = 20315519641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20315535982 and 20315536000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6384935 + ... + 6388115.

It is an arithmetic number, because the mean of its divisors is an integer number (568177920).

Almost surely, 2^20315536025 is an apocalyptic number.

20315536025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20315536025 is a deficient number, since it is larger than the sum of its proper divisors (6957004135).

20315536025 is a wasteful number, since it uses less digits than its factorization.

20315536025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626 (or 3621 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 20315536025 in words is "twenty billion, three hundred fifteen million, five hundred thirty-six thousand, twenty-five".