22033231320 has 64 divisors (see below), whose sum is σ = 66244497120. Its totient is φ = 5862657024.

The previous prime is 22033231279. The next prime is 22033231331. The reversal of 22033231320 is 2313233022.

It is a congruent number.

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, 146047 + ... + 255726.

Almost surely, 2^22033231320 is an apocalyptic number.

22033231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22033231320 is an abundant number, since it is smaller than the sum of its proper divisors (44211265800).

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

22033231320 is a wasteful number, since it uses less digits than its factorization.

22033231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402244 (or 402240 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 22033231320 its reverse (2313233022), we get a palindrome (24346464342).

The spelling of 22033231320 in words is "twenty-two billion, thirty-three million, two hundred thirty-one thousand, three hundred twenty".