22023104240 has 80 divisors (see below), whose sum is σ = 54391072320. Its totient is φ = 8264232960.

The previous prime is 22023104239. The next prime is 22023104267. The reversal of 22023104240 is 4240132022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 396926 + ... + 448994.

It is an arithmetic number, because the mean of its divisors is an integer number (679888404).

Almost surely, 2^22023104240 is an apocalyptic number.

22023104240 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 22023104240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27195536160).

22023104240 is an abundant number, since it is smaller than the sum of its proper divisors (32367968080).

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

22023104240 is a wasteful number, since it uses less digits than its factorization.

22023104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52410 (or 52404 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22023104240 its reverse (4240132022), we get a palindrome (26263236262).

The spelling of 22023104240 in words is "twenty-two billion, twenty-three million, one hundred four thousand, two hundred forty".