220021223323 has 16 divisors (see below), whose sum is σ = 240387803136. Its totient is φ = 199715660640.

The previous prime is 220021223321. The next prime is 220021223339. The reversal of 220021223323 is 323322120022.

It is a cyclic number.

It is not a de Polignac number, because 220021223323 - 2¹ = 220021223321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220021223294 and 220021223303.

It is not an unprimeable number, because it can be changed into a prime (220021223321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24543240 + ... + 24552202.

It is an arithmetic number, because the mean of its divisors is an integer number (15024237696).

Almost surely, 2^220021223323 is an apocalyptic number.

220021223323 is a deficient number, since it is larger than the sum of its proper divisors (20366579813).

220021223323 is a wasteful number, since it uses less digits than its factorization.

220021223323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12114.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 220021223323 its reverse (323322120022), we get a palindrome (543343343345).

It can be divided in two parts, 220021 and 223323, that added together give a palindrome (443344).

The spelling of 220021223323 in words is "two hundred twenty billion, twenty-one million, two hundred twenty-three thousand, three hundred twenty-three".