22123411020 has 144 divisors (see below), whose sum is σ = 69440716800. Its totient is φ = 5695401600.

The previous prime is 22123410961. The next prime is 22123411021. The reversal of 22123411020 is 2011432122.

It is a happy number.

22123411020 is a `hidden beast` number, since 221 + 2 + 341 + 102 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22123410984 and 22123411002.

It is not an unprimeable number, because it can be changed into a prime (22123411021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2400381 + ... + 2409579.

It is an arithmetic number, because the mean of its divisors is an integer number (482227200).

Almost surely, 2^22123411020 is an apocalyptic number.

22123411020 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 22123411020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34720358400).

22123411020 is an abundant number, since it is smaller than the sum of its proper divisors (47317305780).

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

22123411020 is a wasteful number, since it uses less digits than its factorization.

22123411020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22123411020 its reverse (2011432122), we get a palindrome (24134843142).

The spelling of 22123411020 in words is "twenty-two billion, one hundred twenty-three million, four hundred eleven thousand, twenty".