22404131120 has 80 divisors (see below), whose sum is σ = 59673680640. Its totient is φ = 7663003392.

The previous prime is 22404131069. The next prime is 22404131131. The reversal of 22404131120 is 2113140422.

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 junction number, because it is equal to n+sod(n) for n = 22404131092 and 22404131101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186899 + ... + 282381.

It is an arithmetic number, because the mean of its divisors is an integer number (745921008).

Almost surely, 2^22404131120 is an apocalyptic number.

22404131120 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 22404131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29836840320).

22404131120 is an abundant number, since it is smaller than the sum of its proper divisors (37269549520).

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

22404131120 is a wasteful number, since it uses less digits than its factorization.

22404131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95922 (or 95916 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22404131120 its reverse (2113140422), we get a palindrome (24517271542).

The spelling of 22404131120 in words is "twenty-two billion, four hundred four million, one hundred thirty-one thousand, one hundred twenty".