20326933 has 4 divisors (see below), whose sum is σ = 22174848. Its totient is φ = 18479020.

The previous prime is 20326921. The next prime is 20326961. The reversal of 20326933 is 33962302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20326933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20326973) 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, 923941 + ... + 923962.

It is an arithmetic number, because the mean of its divisors is an integer number (5543712).

Almost surely, 2^20326933 is an apocalyptic number.

It is an amenable number.

20326933 is a deficient number, since it is larger than the sum of its proper divisors (1847915).

20326933 is a wasteful number, since it uses less digits than its factorization.

20326933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847914.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 20326933 is about 4508.5400075856. The cubic root of 20326933 is about 272.9128293564.

It can be divided in two parts, 203269 and 33, that added together give a palindrome (203302).

The spelling of 20326933 in words is "twenty million, three hundred twenty-six thousand, nine hundred thirty-three".