20316325 has 12 divisors (see below), whose sum is σ = 25498368. Its totient is φ = 16055600.

The previous prime is 20316323. The next prime is 20316341. The reversal of 20316325 is 52361302.

It is not a de Polignac number, because 20316325 - 2¹ = 20316323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20316296 and 20316305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20316323) 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, 2821 + ... + 6970.

It is an arithmetic number, because the mean of its divisors is an integer number (2124864).

Almost surely, 2^20316325 is an apocalyptic number.

20316325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20316325 is a deficient number, since it is larger than the sum of its proper divisors (5182043).

20316325 is an equidigital number, since it uses as much as digits as its factorization.

20316325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9884 (or 9879 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 20316325 is about 4507.3634200051. The cubic root of 20316325 is about 272.8653461633.

Adding to 20316325 its reverse (52361302), we get a palindrome (72677627).

The spelling of 20316325 in words is "twenty million, three hundred sixteen thousand, three hundred twenty-five".