20112325 has 6 divisors (see below), whose sum is σ = 24939314. Its totient is φ = 16089840.

The previous prime is 20112319. The next prime is 20112329. The reversal of 20112325 is 52321102.

It can be written as a sum of positive squares in 3 ways, for example, as 3976036 + 16136289 = 1994^2 + 4017^2 .

It is not a de Polignac number, because 20112325 - 2²³ = 11723717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20112299 and 20112308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 402222 + ... + 402271.

Almost surely, 2^20112325 is an apocalyptic number.

20112325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20112325 is a deficient number, since it is larger than the sum of its proper divisors (4826989).

20112325 is an equidigital number, since it uses as much as digits as its factorization.

20112325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804503 (or 804498 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 20112325 is about 4484.6766884582. The cubic root of 20112325 is about 271.9489748938.

Adding to 20112325 its reverse (52321102), we get a palindrome (72433427).

The spelling of 20112325 in words is "twenty million, one hundred twelve thousand, three hundred twenty-five".