22204020042320 has 40 divisors (see below), whose sum is σ = 51625737087336. Its totient is φ = 8881368793088.

The previous prime is 22204020042317. The next prime is 22204020042383. The reversal of 22204020042320 is 2324002040222.

It can be written as a sum of positive squares in 4 ways, for example, as 6848186545216 + 15355833497104 = 2616904^2 + 3918652^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734177 + ... + 6704256.

Almost surely, 2^{22204020042320} is an apocalyptic number.

22204020042320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204020042320 is an abundant number, since it is smaller than the sum of its proper divisors (29421717045016).

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

22204020042320 is a wasteful number, since it uses less digits than its factorization.

22204020042320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475759 (or 7475753 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22204020042320 its reverse (2324002040222), we get a palindrome (24528022082542).

The spelling of 22204020042320 in words is "twenty-two trillion, two hundred four billion, twenty million, forty-two thousand, three hundred twenty".