20312033013203 has 4 divisors (see below), whose sum is σ = 20313011785608. Its totient is φ = 20311054240800.

The previous prime is 20312033013179. The next prime is 20312033013241. The reversal of 20312033013203 is 30231033021302.

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 20312033013203 - 2¹⁴ = 20312032996819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20312033013253) 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, 489355073 + ... + 489396578.

It is an arithmetic number, because the mean of its divisors is an integer number (5078252946402).

Almost surely, 2^{20312033013203} is an apocalyptic number.

20312033013203 is a deficient number, since it is larger than the sum of its proper divisors (978772405).

20312033013203 is an equidigital number, since it uses as much as digits as its factorization.

20312033013203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978772404.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 20312033013203 its reverse (30231033021302), we get a palindrome (50543066034505).

The spelling of 20312033013203 in words is "twenty trillion, three hundred twelve billion, thirty-three million, thirteen thousand, two hundred three".