22204222440020 has 24 divisors (see below), whose sum is σ = 46763244277344. Its totient is φ = 8856093327776.

The previous prime is 22204222439989. The next prime is 22204222440041. The reversal of 22204222440020 is 2004422240222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1599720902 + ... + 1599734781.

It is an arithmetic number, because the mean of its divisors is an integer number (1948468511556).

Almost surely, 2^{22204222440020} is an apocalyptic number.

22204222440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204222440020 is an abundant number, since it is smaller than the sum of its proper divisors (24559021837324).

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

22204222440020 is a wasteful number, since it uses less digits than its factorization.

22204222440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199456039 (or 3199456037 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22204222440020 its reverse (2004422240222), we get a palindrome (24208644680242).

The spelling of 22204222440020 in words is "twenty-two trillion, two hundred four billion, two hundred twenty-two million, four hundred forty thousand, twenty".