20221133320 has 64 divisors (see below), whose sum is σ = 46239439680. Its totient is φ = 7956892416.

The previous prime is 20221133297. The next prime is 20221133323. The reversal of 20221133320 is 2333112202.

It is not an unprimeable number, because it can be changed into a prime (20221133323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131227 + ... + 2140693.

It is an arithmetic number, because the mean of its divisors is an integer number (722491245).

Almost surely, 2^20221133320 is an apocalyptic number.

20221133320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20221133320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23119719840).

20221133320 is an abundant number, since it is smaller than the sum of its proper divisors (26018306360).

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

20221133320 is a wasteful number, since it uses less digits than its factorization.

20221133320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10342 (or 10338 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20221133320 its reverse (2333112202), we get a palindrome (22554245522).

The spelling of 20221133320 in words is "twenty billion, two hundred twenty-one million, one hundred thirty-three thousand, three hundred twenty".