20185325 has 24 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 15382400.

The previous prime is 20185271. The next prime is 20185331. The reversal of 20185325 is 52358102.

It is not a de Polignac number, because 20185325 - 2⁶ = 20185261 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20185294 and 20185303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47966 + ... + 48384.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^20185325 is an apocalyptic number.

20185325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20185325 is a deficient number, since it is larger than the sum of its proper divisors (6062995).

20185325 is a wasteful number, since it uses less digits than its factorization.

20185325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 20185325 is about 4492.8081419086. The cubic root of 20185325 is about 272.2776009937.

The spelling of 20185325 in words is "twenty million, one hundred eighty-five thousand, three hundred twenty-five".