20232312 has 48 divisors (see below), whose sum is σ = 53749560. Its totient is φ = 6345216.

The previous prime is 20232301. The next prime is 20232313. The reversal of 20232312 is 21323202.

It is a junction number, because it is equal to n+sod(n) for n = 20232291 and 20232300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5478 + ... + 8394.

Almost surely, 2^20232312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26874780).

20232312 is an abundant number, since it is smaller than the sum of its proper divisors (33517248).

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

20232312 is a wasteful number, since it uses less digits than its factorization.

20232312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2960 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20232312 is about 4498.0342373086. The cubic root of 20232312 is about 272.4887047474.

Adding to 20232312 its reverse (21323202), we get a palindrome (41555514).

The spelling of 20232312 in words is "twenty million, two hundred thirty-two thousand, three hundred twelve".