20320760025 has 36 divisors (see below), whose sum is σ = 38537730972. Its totient is φ = 10200222720.

The previous prime is 20320760023. The next prime is 20320760029. The reversal of 20320760025 is 52006702302.

20320760025 is a `hidden beast` number, since 2 + 0 + 32 + 0 + 7 + 600 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 803552409 + 19517207616 = 28347^2 + 139704^2 .

It is not a de Polignac number, because 20320760025 - 2¹ = 20320760023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20320760023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2652484 + ... + 2660133.

It is an arithmetic number, because the mean of its divisors is an integer number (1070492527).

Almost surely, 2^20320760025 is an apocalyptic number.

20320760025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20320760025 is a deficient number, since it is larger than the sum of its proper divisors (18216970947).

20320760025 is a wasteful number, since it uses less digits than its factorization.

20320760025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312650 (or 5312642 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The spelling of 20320760025 in words is "twenty billion, three hundred twenty million, seven hundred sixty thousand, twenty-five".