22421341020 has 288 divisors, whose sum is σ = 72352788480. Its totient is φ = 5142804480.

The previous prime is 22421341013. The next prime is 22421341031. The reversal of 22421341020 is 2014312422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117389125 + ... + 117389315.

It is an arithmetic number, because the mean of its divisors is an integer number (251224960).

Almost surely, 2^22421341020 is an apocalyptic number.

22421341020 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 22421341020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36176394240).

22421341020 is an abundant number, since it is smaller than the sum of its proper divisors (49931447460).

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

22421341020 is a wasteful number, since it uses less digits than its factorization.

22421341020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22421341020 its reverse (2014312422), we get a palindrome (24435653442).

The spelling of 22421341020 in words is "twenty-two billion, four hundred twenty-one million, three hundred forty-one thousand, twenty".