20231112 has 64 divisors (see below), whose sum is σ = 55598400. Its totient is φ = 6083840.

The previous prime is 20231093. The next prime is 20231129. The reversal of 20231112 is 21113202.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 51814 + ... + 52202.

It is an arithmetic number, because the mean of its divisors is an integer number (868725).

Almost surely, 2^20231112 is an apocalyptic number.

20231112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20231112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27799200).

20231112 is an abundant number, since it is smaller than the sum of its proper divisors (35367288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231112 is a wasteful number, since it uses less digits than its factorization.

20231112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20231112 is about 4497.9008437270. The cubic root of 20231112 is about 272.4833174424.

Adding to 20231112 its reverse (21113202), we get a palindrome (41344314).

It can be divided in two parts, 20 and 231112, that added together give a palindrome (231132).

The spelling of 20231112 in words is "twenty million, two hundred thirty-one thousand, one hundred twelve".