20125163 has 8 divisors (see below), whose sum is σ = 20567520. Its totient is φ = 19687360.

The previous prime is 20125153. The next prime is 20125177. The reversal of 20125163 is 36152102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20125163 - 2⁶ = 20125099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8693 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (2570940).

Almost surely, 2^20125163 is an apocalyptic number.

20125163 is a deficient number, since it is larger than the sum of its proper divisors (442357).

20125163 is a wasteful number, since it uses less digits than its factorization.

20125163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20125163 is about 4486.1077784645. The cubic root of 20125163 is about 272.0068256289.

Adding to 20125163 its reverse (36152102), we get a palindrome (56277265).

The spelling of 20125163 in words is "twenty million, one hundred twenty-five thousand, one hundred sixty-three".