20112125 has 16 divisors (see below), whose sum is σ = 27383616. Its totient is φ = 14626000.

The previous prime is 20112119. The next prime is 20112133. The reversal of 20112125 is 52121102.

It is not a de Polignac number, because 20112125 - 2⁶ = 20112061 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 5939 + ... + 8688.

It is an arithmetic number, because the mean of its divisors is an integer number (1711476).

Almost surely, 2^20112125 is an apocalyptic number.

20112125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20112125 is a deficient number, since it is larger than the sum of its proper divisors (7271491).

20112125 is a wasteful number, since it uses less digits than its factorization.

20112125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14653 (or 14643 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 20112125 is about 4484.6543902513. The cubic root of 20112125 is about 271.9480734569.

Adding to 20112125 its reverse (52121102), we get a palindrome (72233227).

The spelling of 20112125 in words is "twenty million, one hundred twelve thousand, one hundred twenty-five".