20323233 has 12 divisors (see below), whose sum is σ = 33549568. Its totient is φ = 11613240.

The previous prime is 20323201. The next prime is 20323267. The reversal of 20323233 is 33232302.

It is not a de Polignac number, because 20323233 - 2⁵ = 20323201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 161233 + ... + 161358.

Almost surely, 2^20323233 is an apocalyptic number.

It is an amenable number.

20323233 is a deficient number, since it is larger than the sum of its proper divisors (13226335).

20323233 is a wasteful number, since it uses less digits than its factorization.

20323233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322604 (or 322601 counting only the distinct ones).

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

The square root of 20323233 is about 4508.1296565205. The cubic root of 20323233 is about 272.8962694103.

Adding to 20323233 its reverse (33232302), we get a palindrome (53555535).

It can be divided in two parts, 203 and 23233, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 20323233 in words is "twenty million, three hundred twenty-three thousand, two hundred thirty-three".