320203132221233 has 4 divisors (see below), whose sum is σ = 322724416727040. Its totient is φ = 317681847715428.

The previous prime is 320203132221221. The next prime is 320203132221253. The reversal of 320203132221233 is 332122231302023.

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-320203132221233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320203132221196 and 320203132221205.

It is not an unprimeable number, because it can be changed into a prime (320203132221253) 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, 1260642252713 + ... + 1260642252966.

It is an arithmetic number, because the mean of its divisors is an integer number (80681104181760).

Almost surely, 2^{320203132221233} is an apocalyptic number.

It is an amenable number.

320203132221233 is a deficient number, since it is larger than the sum of its proper divisors (2521284505807).

320203132221233 is a wasteful number, since it uses less digits than its factorization.

320203132221233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521284505806.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 320203132221233 its reverse (332122231302023), we get a palindrome (652325363523256).

The spelling of 320203132221233 in words is "three hundred twenty trillion, two hundred three billion, one hundred thirty-two million, two hundred twenty-one thousand, two hundred thirty-three".