22330781320 has 48 divisors (see below), whose sum is σ = 53027907660. Its totient is φ = 8462185344.

The previous prime is 22330781311. The next prime is 22330781383. The reversal of 22330781320 is 2318703322.

It can be written as a sum of positive squares in 2 ways, for example, as 21215087716 + 1115693604 = 145654^2 + 33402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 758787 + ... + 787666.

Almost surely, 2^22330781320 is an apocalyptic number.

22330781320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22330781320 is an abundant number, since it is smaller than the sum of its proper divisors (30697126340).

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

22330781320 is a wasteful number, since it uses less digits than its factorization.

22330781320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546502 (or 1546479 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 22330781320 in words is "twenty-two billion, three hundred thirty million, seven hundred eighty-one thousand, three hundred twenty".