20231332 has 12 divisors (see below), whose sum is σ = 38623536. Its totient is φ = 9196040.

The previous prime is 20231303. The next prime is 20231339. The reversal of 20231332 is 23313202.

It is not an unprimeable number, because it can be changed into a prime (20231339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229858 + ... + 229945.

It is an arithmetic number, because the mean of its divisors is an integer number (3218628).

Almost surely, 2^20231332 is an apocalyptic number.

20231332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20231332 is a deficient number, since it is larger than the sum of its proper divisors (18392204).

20231332 is a wasteful number, since it uses less digits than its factorization.

20231332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459818 (or 459816 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 20231332 is about 4497.9252995131. The cubic root of 20231332 is about 272.4843051309.

Adding to 20231332 its reverse (23313202), we get a palindrome (43544534).

The spelling of 20231332 in words is "twenty million, two hundred thirty-one thousand, three hundred thirty-two".