20023112 has 16 divisors (see below), whose sum is σ = 39519600. Its totient is φ = 9484560.

The previous prime is 20023063. The next prime is 20023121. The reversal of 20023112 is 21132002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20023093 and 20023102.

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, 65714 + ... + 66017.

It is an arithmetic number, because the mean of its divisors is an integer number (2469975).

Almost surely, 2^20023112 is an apocalyptic number.

It is an amenable number.

20023112 is a deficient number, since it is larger than the sum of its proper divisors (19496488).

20023112 is a wasteful number, since it uses less digits than its factorization.

20023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131756 (or 131752 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20023112 is about 4474.7192090678. The cubic root of 20023112 is about 271.5462807757.

Adding to 20023112 its reverse (21132002), we get a palindrome (41155114).

The spelling of 20023112 in words is "twenty million, twenty-three thousand, one hundred twelve".