20222303232 has 88 divisors (see below), whose sum is σ = 55356873616. Its totient is φ = 6558547968.

The previous prime is 20222303221. The next prime is 20222303251. The reversal of 20222303232 is 23230322202.

It is a junction number, because it is equal to n+sod(n) for n = 20222303199 and 20222303208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24708 + ... + 202620.

It is an arithmetic number, because the mean of its divisors is an integer number (629055382).

Almost surely, 2^20222303232 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 20222303232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27678436808).

20222303232 is an abundant number, since it is smaller than the sum of its proper divisors (35134570384).

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

20222303232 is a wasteful number, since it uses less digits than its factorization.

20222303232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177973 (or 177955 counting only the distinct ones).

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

Adding to 20222303232 its reverse (23230322202), we get a palindrome (43452625434).

The spelling of 20222303232 in words is "twenty billion, two hundred twenty-two million, three hundred three thousand, two hundred thirty-two".