22202220020020 has 48 divisors (see below), whose sum is σ = 47913716410560. Its totient is φ = 8637126656256.

The previous prime is 22202220019913. The next prime is 22202220020051. The reversal of 22202220020020 is 2002002220222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22202220019976 and 22202220020003.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 55199910 + ... + 55600669.

It is an arithmetic number, because the mean of its divisors is an integer number (998202425220).

Almost surely, 2^{22202220020020} is an apocalyptic number.

22202220020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202220020020 is an abundant number, since it is smaller than the sum of its proper divisors (25711496390540).

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

22202220020020 is a wasteful number, since it uses less digits than its factorization.

22202220020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110800864 (or 110800862 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22202220020020 its reverse (2002002220222), we get a palindrome (24204222240242).

The spelling of 22202220020020 in words is "twenty-two trillion, two hundred two billion, two hundred twenty million, twenty thousand, twenty".