20612325 has 12 divisors (see below), whose sum is σ = 34079168. Its totient is φ = 10993200.

The previous prime is 20612269. The next prime is 20612341. The reversal of 20612325 is 52321602.

It is not a de Polignac number, because 20612325 - 2⁷ = 20612197 is a prime.

It is a Duffinian number.

It is a congruent 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, 137341 + ... + 137490.

Almost surely, 2^20612325 is an apocalyptic number.

20612325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20612325 is a deficient number, since it is larger than the sum of its proper divisors (13466843).

20612325 is a wasteful number, since it uses less digits than its factorization.

20612325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274844 (or 274839 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20612325 is about 4540.0798451129. The cubic root of 20612325 is about 274.1841383942.

Adding to 20612325 its reverse (52321602), we get a palindrome (72933927).

The spelling of 20612325 in words is "twenty million, six hundred twelve thousand, three hundred twenty-five".