22660320000 has 360 divisors, whose sum is σ = 79824585456. Its totient is φ = 5685248000.

The previous prime is 22660319989. The next prime is 22660320031. The reversal of 22660320000 is 2306622.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8158612 + ... + 8161388.

Almost surely, 2^22660320000 is an apocalyptic number.

22660320000 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 22660320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39912292728).

22660320000 is an abundant number, since it is smaller than the sum of its proper divisors (57164265456).

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

22660320000 is an equidigital number, since it uses as much as digits as its factorization.

22660320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22660320000 its reverse (2306622), we get a palindrome (22662626622).

The spelling of 22660320000 in words is "twenty-two billion, six hundred sixty million, three hundred twenty thousand".