20322323303 has 4 divisors (see below), whose sum is σ = 20323895160. Its totient is φ = 20320751448.

The previous prime is 20322323299. The next prime is 20322323323. The reversal of 20322323303 is 30332322302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20322323303 - 2² = 20322323299 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 (20322323323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766373 + ... + 792446.

It is an arithmetic number, because the mean of its divisors is an integer number (5080973790).

Almost surely, 2^20322323303 is an apocalyptic number.

20322323303 is a deficient number, since it is larger than the sum of its proper divisors (1571857).

20322323303 is a wasteful number, since it uses less digits than its factorization.

20322323303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571856.

The product of its (nonzero) digits is 3888, while the sum is 23.

Adding to 20322323303 its reverse (30332322302), we get a palindrome (50654645605).

The spelling of 20322323303 in words is "twenty billion, three hundred twenty-two million, three hundred twenty-three thousand, three hundred three".