20022222200020 has 48 divisors (see below), whose sum is σ = 43645232026368. Its totient is φ = 7709987180160.

The previous prime is 20022222200009. The next prime is 20022222200033. The reversal of 20022222200020 is 2000222222002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20022222199967 and 20022222200003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174534762 + ... + 174649441.

It is an arithmetic number, because the mean of its divisors is an integer number (909275667216).

Almost surely, 2^{20022222200020} is an apocalyptic number.

20022222200020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022222200020 is an abundant number, since it is smaller than the sum of its proper divisors (23623009826348).

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

20022222200020 is a wasteful number, since it uses less digits than its factorization.

20022222200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349184320 (or 349184318 counting only the distinct ones).

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

Adding to 20022222200020 its reverse (2000222222002), we get a palindrome (22022444422022).

The spelling of 20022222200020 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, two hundred thousand, twenty".