20125185 has 16 divisors (see below), whose sum is σ = 32279040. Its totient is φ = 10707200.

The previous prime is 20125177. The next prime is 20125241. The reversal of 20125185 is 58152102.

It is not a de Polignac number, because 20125185 - 2³ = 20125177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5785 + ... + 8585.

It is an arithmetic number, because the mean of its divisors is an integer number (2017440).

Almost surely, 2^20125185 is an apocalyptic number.

It is an amenable number.

20125185 is a deficient number, since it is larger than the sum of its proper divisors (12153855).

20125185 is a wasteful number, since it uses less digits than its factorization.

20125185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 20125185 is about 4486.1102304781. The cubic root of 20125185 is about 272.0069247444.

Adding to 20125185 its reverse (58152102), we get a palindrome (78277287).

The spelling of 20125185 in words is "twenty million, one hundred twenty-five thousand, one hundred eighty-five".