220220302323 has 32 divisors (see below), whose sum is σ = 342096652800. Its totient is φ = 123404541696.

The previous prime is 220220302271. The next prime is 220220302343. The reversal of 220220302323 is 323203022022.

It is not a de Polignac number, because 220220302323 - 2²⁰ = 220219253747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 220220302323.

It is not an unprimeable number, because it can be changed into a prime (220220302343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289465 + ... + 724037.

It is an arithmetic number, because the mean of its divisors is an integer number (10690520400).

Almost surely, 2^220220302323 is an apocalyptic number.

220220302323 is a deficient number, since it is larger than the sum of its proper divisors (121876350477).

220220302323 is a wasteful number, since it uses less digits than its factorization.

220220302323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435051.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 220220302323 its reverse (323203022022), we get a palindrome (543423324345).

The spelling of 220220302323 in words is "two hundred twenty billion, two hundred twenty million, three hundred two thousand, three hundred twenty-three".