20331023212303 has 4 divisors (see below), whose sum is σ = 20331057134320. Its totient is φ = 20330989290288.

The previous prime is 20331023212259. The next prime is 20331023212321. The reversal of 20331023212303 is 30321232013302.

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 20331023212303 - 2¹⁷ = 20331023081231 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 (20331023212363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16045518 + ... + 17266171.

It is an arithmetic number, because the mean of its divisors is an integer number (5082764283580).

Almost surely, 2^{20331023212303} is an apocalyptic number.

20331023212303 is a deficient number, since it is larger than the sum of its proper divisors (33922017).

20331023212303 is an equidigital number, since it uses as much as digits as its factorization.

20331023212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33922016.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 20331023212303 its reverse (30321232013302), we get a palindrome (50652255225605).

The spelling of 20331023212303 in words is "twenty trillion, three hundred thirty-one billion, twenty-three million, two hundred twelve thousand, three hundred three".