20202020220112 has 20 divisors (see below), whose sum is σ = 39216541667076. Its totient is φ = 10081622370560.

The previous prime is 20202020220073. The next prime is 20202020220119. The reversal of 20202020220112 is 21102202020202.

It can be written as a sum of positive squares in 2 ways, for example, as 1817168704576 + 18384851515536 = 1348024^2 + 4287756^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202020220119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1211725123 + ... + 1211741794.

Almost surely, 2^{20202020220112} is an apocalyptic number.

It is an amenable number.

20202020220112 is a deficient number, since it is larger than the sum of its proper divisors (19014521446964).

20202020220112 is a wasteful number, since it uses less digits than its factorization.

20202020220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423467446 (or 2423467440 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20202020220112 its reverse (21102202020202), we get a palindrome (41304222240314).

The spelling of 20202020220112 in words is "twenty trillion, two hundred two billion, twenty million, two hundred twenty thousand, one hundred twelve".