20232342 has 60 divisors (see below), whose sum is σ = 49157460. Its totient is φ = 6216912.

The previous prime is 20232319. The next prime is 20232347. The reversal of 20232342 is 24323202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232347) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27009 + ... + 27747.

It is an arithmetic number, because the mean of its divisors is an integer number (819291).

Almost surely, 2^20232342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20232342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24578730).

20232342 is an abundant number, since it is smaller than the sum of its proper divisors (28925118).

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

20232342 is a wasteful number, since it uses less digits than its factorization.

20232342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 20232342 is about 4498.0375720974. The cubic root of 20232342 is about 272.4888394273.

Adding to 20232342 its reverse (24323202), we get a palindrome (44555544).

The spelling of 20232342 in words is "twenty million, two hundred thirty-two thousand, three hundred forty-two".