22032230321320 has 128 divisors (see below), whose sum is σ = 51061114368000. Its totient is φ = 8549681587200.

The previous prime is 22032230321273. The next prime is 22032230321407. The reversal of 22032230321320 is 2312303223022.

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 31 ways as a sum of consecutive naturals, for example, 727817785 + ... + 727848055.

It is an arithmetic number, because the mean of its divisors is an integer number (398914956000).

Almost surely, 2^{22032230321320} is an apocalyptic number.

22032230321320 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 22032230321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25530557184000).

22032230321320 is an abundant number, since it is smaller than the sum of its proper divisors (29028884046680).

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

22032230321320 is a wasteful number, since it uses less digits than its factorization.

22032230321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31739 (or 31735 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 22032230321320 its reverse (2312303223022), we get a palindrome (24344533544342).

The spelling of 22032230321320 in words is "twenty-two trillion, thirty-two billion, two hundred thirty million, three hundred twenty-one thousand, three hundred twenty".