320200220200223 has 4 divisors (see below), whose sum is σ = 349309331127528. Its totient is φ = 291091109272920.

The previous prime is 320200220200193. The next prime is 320200220200229. The reversal of 320200220200223 is 322002022002023.

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

It is a de Polignac number, because none of the positive numbers 2^k-320200220200223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320200220200195 and 320200220200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320200220200229) 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, 14554555463636 + ... + 14554555463657.

It is an arithmetic number, because the mean of its divisors is an integer number (87327332781882).

Almost surely, 2^{320200220200223} is an apocalyptic number.

320200220200223 is a deficient number, since it is larger than the sum of its proper divisors (29109110927305).

320200220200223 is a wasteful number, since it uses less digits than its factorization.

320200220200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29109110927304.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 320200220200223 its reverse (322002022002023), we get a palindrome (642202242202246).

The spelling of 320200220200223 in words is "three hundred twenty trillion, two hundred billion, two hundred twenty million, two hundred thousand, two hundred twenty-three".