20332323 has 32 divisors (see below), whose sum is σ = 34801920. Its totient is φ = 11594880.

The previous prime is 20332313. The next prime is 20332327. The reversal of 20332323 is 32323302.

It is not a de Polignac number, because 20332323 - 2⁶ = 20332259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20332296 and 20332305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3036 + ... + 7062.

It is an arithmetic number, because the mean of its divisors is an integer number (1087560).

Almost surely, 2^20332323 is an apocalyptic number.

20332323 is a deficient number, since it is larger than the sum of its proper divisors (14469597).

20332323 is a wasteful number, since it uses less digits than its factorization.

20332323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064 (or 4058 counting only the distinct ones).

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

The square root of 20332323 is about 4509.1377224476. The cubic root of 20332323 is about 272.9369495741.

Adding to 20332323 its reverse (32323302), we get a palindrome (52655625).

It can be divided in two parts, 2033 and 2323, that added together give a square (4356 = 66²).

The spelling of 20332323 in words is "twenty million, three hundred thirty-two thousand, three hundred twenty-three".