20323332 has 24 divisors (see below), whose sum is σ = 52690400. Its totient is φ = 6774408.

The previous prime is 20323291. The next prime is 20323333. The reversal of 20323332 is 23332302.

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

It is not an unprimeable number, because it can be changed into a prime (20323333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93982 + ... + 94197.

Almost surely, 2^20323332 is an apocalyptic number.

It is an amenable number.

20323332 is an abundant number, since it is smaller than the sum of its proper divisors (32367068).

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

20323332 is a wasteful number, since it uses less digits than its factorization.

20323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188192 (or 188184 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 18.

The square root of 20323332 is about 4508.1406366705. The cubic root of 20323332 is about 272.8967125269.

Adding to 20323332 its reverse (23332302), we get a palindrome (43655634).

The spelling of 20323332 in words is "twenty million, three hundred twenty-three thousand, three hundred thirty-two".