20202200220220 has 48 divisors (see below), whose sum is σ = 42657274265760. Its totient is φ = 8036590288896.

The previous prime is 20202200220203. The next prime is 20202200220247. The reversal of 20202200220220 is 2202200220202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20202200220194 and 20202200220203.

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, 12063859 + ... + 13636021.

It is an arithmetic number, because the mean of its divisors is an integer number (888693213870).

Almost surely, 2^{20202200220220} is an apocalyptic number.

20202200220220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202200220220 is an abundant number, since it is smaller than the sum of its proper divisors (22455074045540).

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

20202200220220 is a wasteful number, since it uses less digits than its factorization.

20202200220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575694 (or 1575692 counting only the distinct ones).

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

Adding to 20202200220220 its reverse (2202200220202), we get a palindrome (22404400440422).

The spelling of 20202200220220 in words is "twenty trillion, two hundred two billion, two hundred million, two hundred twenty thousand, two hundred twenty".