20325 has 12 divisors (see below), whose sum is σ = 33728. Its totient is φ = 10800.

The previous prime is 20323. The next prime is 20327. The reversal of 20325 is 52302.

It is an interprime number because it is at equal distance from previous prime (20323) and next prime (20327).

It is not a de Polignac number, because 20325 - 2¹ = 20323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20325.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 20325.

It is not an unprimeable number, because it can be changed into a prime (20323) 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, 61 + ... + 210.

2²⁰³²⁵ is an apocalyptic number.

20325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20325 is a deficient number, since it is larger than the sum of its proper divisors (13403).

20325 is a wasteful number, since it uses less digits than its factorization.

20325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 12.

The square root of 20325 is about 142.5657742938. The cubic root of 20325 is about 27.2904178154.

Adding to 20325 its reverse (52302), we get a palindrome (72627).

The spelling of 20325 in words is "twenty thousand, three hundred twenty-five".