220332333021 has 16 divisors (see below), whose sum is σ = 294978780864. Its totient is φ = 146287284224.

The previous prime is 220332332993. The next prime is 220332333031. The reversal of 220332333021 is 120333233022.

It is a cyclic number.

It is not a de Polignac number, because 220332333021 - 2²⁵ = 220298778589 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220332332982 and 220332333000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220332333031) 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, 4219951 + ... + 4271843.

It is an arithmetic number, because the mean of its divisors is an integer number (18436173804).

Almost surely, 2^220332333021 is an apocalyptic number.

It is an amenable number.

220332333021 is a deficient number, since it is larger than the sum of its proper divisors (74646447843).

220332333021 is a wasteful number, since it uses less digits than its factorization.

220332333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57660.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 220332333021 its reverse (120333233022), we get a palindrome (340665566043).

Subtracting from 220332333021 its reverse (120333233022), we obtain a palindrome (99999099999).

The spelling of 220332333021 in words is "two hundred twenty billion, three hundred thirty-two million, three hundred thirty-three thousand, twenty-one".