20322332224 has 56 divisors (see below), whose sum is σ = 41996855808. Its totient is φ = 9746257920.

The previous prime is 20322332221. The next prime is 20322332257. The reversal of 20322332224 is 42223322302.

It is not an unprimeable number, because it can be changed into a prime (20322332221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178869 + ... + 269515.

Almost surely, 2^20322332224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20322332224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20998427904).

20322332224 is an abundant number, since it is smaller than the sum of its proper divisors (21674523584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20322332224 is a wasteful number, since it uses less digits than its factorization.

20322332224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90803 (or 90793 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 20322332224 its reverse (42223322302), we get a palindrome (62545654526).

The spelling of 20322332224 in words is "twenty billion, three hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty-four".