20075025 has 12 divisors (see below), whose sum is σ = 33190832. Its totient is φ = 10706640.

The previous prime is 20074993. The next prime is 20075051. The reversal of 20075025 is 52057002.

It is not a de Polignac number, because 20075025 - 2⁵ = 20074993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20074992 and 20075010.

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, 133759 + ... + 133908.

Almost surely, 2^20075025 is an apocalyptic number.

20075025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20075025 is a deficient number, since it is larger than the sum of its proper divisors (13115807).

20075025 is a wasteful number, since it uses less digits than its factorization.

20075025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267680 (or 267675 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 20075025 is about 4480.5161533020. The cubic root of 20075025 is about 271.7807534340.

The spelling of 20075025 in words is "twenty million, seventy-five thousand, twenty-five".