20595025 has 12 divisors (see below), whose sum is σ = 27859824. Its totient is φ = 14978000.

The previous prime is 20595023. The next prime is 20595037. The reversal of 20595025 is 52059502.

It is not a de Polignac number, because 20595025 - 2¹ = 20595023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20594984 and 20595002.

It is not an unprimeable number, because it can be changed into a prime (20595023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37171 + ... + 37720.

It is an arithmetic number, because the mean of its divisors is an integer number (2321652).

Almost surely, 2^20595025 is an apocalyptic number.

20595025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20595025 is a deficient number, since it is larger than the sum of its proper divisors (7264799).

20595025 is a wasteful number, since it uses less digits than its factorization.

20595025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74912 (or 74907 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 20595025 is about 4538.1741923377. The cubic root of 20595025 is about 274.1074090060.

The spelling of 20595025 in words is "twenty million, five hundred ninety-five thousand, twenty-five".