20202200020020 has 48 divisors (see below), whose sum is σ = 59893581238848. Its totient is φ = 5070356083200.

The previous prime is 20202200020019. The next prime is 20202200020043. The reversal of 20202200020020 is 2002000220202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20202200019978 and 20202200020005.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9903038206 + ... + 9903040245.

It is an arithmetic number, because the mean of its divisors is an integer number (1247782942476).

Almost surely, 2^{20202200020020} is an apocalyptic number.

20202200020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20202200020020 is an abundant number, since it is smaller than the sum of its proper divisors (39691381218828).

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

20202200020020 is a wasteful number, since it uses less digits than its factorization.

20202200020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19806078480 (or 19806078478 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20202200020020 its reverse (2002000220202), we get a palindrome (22204200240222).

The spelling of 20202200020020 in words is "twenty trillion, two hundred two billion, two hundred million, twenty thousand, twenty".