22204242242020 has 24 divisors (see below), whose sum is σ = 46629070770744. Its totient is φ = 8881666027776.

The previous prime is 22204242242003. The next prime is 22204242242129. The reversal of 22204242242020 is 2024224240222.

It can be written as a sum of positive squares in 4 ways, for example, as 9017060076964 + 13187182165056 = 3002842^2 + 3631416^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22204242242020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4489912 + ... + 8035408.

It is an arithmetic number, because the mean of its divisors is an integer number (1942877948781).

Almost surely, 2^{22204242242020} is an apocalyptic number.

22204242242020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204242242020 is an abundant number, since it is smaller than the sum of its proper divisors (24424828528724).

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

22204242242020 is a wasteful number, since it uses less digits than its factorization.

22204242242020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858639 (or 3858637 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 22204242242020 its reverse (2024224240222), we get a palindrome (24228466482242).

The spelling of 22204242242020 in words is "twenty-two trillion, two hundred four billion, two hundred forty-two million, two hundred forty-two thousand, twenty".