22464022020 has 144 divisors (see below), whose sum is σ = 72891741888. Its totient is φ = 5125437440.

The previous prime is 22464022013. The next prime is 22464022033. The reversal of 22464022020 is 2022046422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131854 + ... + 249626.

It is an arithmetic number, because the mean of its divisors is an integer number (506192652).

Almost surely, 2^22464022020 is an apocalyptic number.

22464022020 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 22464022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36445870944).

22464022020 is an abundant number, since it is smaller than the sum of its proper divisors (50427719868).

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

22464022020 is a wasteful number, since it uses less digits than its factorization.

22464022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117830 (or 117811 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22464022020 its reverse (2022046422), we get a palindrome (24486068442).

It can be divided in two parts, 2246402 and 2020, that added together give a palindrome (2248422).

The spelling of 22464022020 in words is "twenty-two billion, four hundred sixty-four million, twenty-two thousand, twenty".