20072560225 has 12 divisors (see below), whose sum is σ = 25189856496. Its totient is φ = 15864576080.

The previous prime is 20072560213. The next prime is 20072560237. The reversal of 20072560225 is 52206527002.

It is an interprime number because it is at equal distance from previous prime (20072560213) and next prime (20072560237).

It is not a de Polignac number, because 20072560225 - 2²¹ = 20070463073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4834687 + ... + 4838836.

It is an arithmetic number, because the mean of its divisors is an integer number (2099154708).

Almost surely, 2^20072560225 is an apocalyptic number.

20072560225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20072560225 is a deficient number, since it is larger than the sum of its proper divisors (5117296271).

20072560225 is an equidigital number, since it uses as much as digits as its factorization.

20072560225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9673616 (or 9673611 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The spelling of 20072560225 in words is "twenty billion, seventy-two million, five hundred sixty thousand, two hundred twenty-five".