20112124 has 12 divisors (see below), whose sum is σ = 35376264. Its totient is φ = 10004624.

The previous prime is 20112119. The next prime is 20112133. The reversal of 20112124 is 42121102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11974 + ... + 13549.

It is an arithmetic number, because the mean of its divisors is an integer number (2948022).

Almost surely, 2^20112124 is an apocalyptic number.

It is an amenable number.

20112124 is a deficient number, since it is larger than the sum of its proper divisors (15264140).

20112124 is a wasteful number, since it uses less digits than its factorization.

20112124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25724 (or 25722 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 20112124 is about 4484.6542787600. The cubic root of 20112124 is about 271.9480689497.

Adding to 20112124 its reverse (42121102), we get a palindrome (62233226).

The spelling of 20112124 in words is "twenty million, one hundred twelve thousand, one hundred twenty-four".