2020112020221 has 16 divisors (see below), whose sum is σ = 2709872890368. Its totient is φ = 1338547806000.

The previous prime is 2020112020183. The next prime is 2020112020243. The reversal of 2020112020221 is 1220202110202.

It is not a de Polignac number, because 2020112020221 - 2¹⁰ = 2020112019197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020112020221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020112020291) 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 15 ways as a sum of consecutive naturals, for example, 5146866 + ... + 5525436.

It is an arithmetic number, because the mean of its divisors is an integer number (169367055648).

Almost surely, 2^{2020112020221} is an apocalyptic number.

It is an amenable number.

2020112020221 is a deficient number, since it is larger than the sum of its proper divisors (689760870147).

2020112020221 is a wasteful number, since it uses less digits than its factorization.

2020112020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389392.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2020112020221 its reverse (1220202110202), we get a palindrome (3240314130423).

The spelling of 2020112020221 in words is "two trillion, twenty billion, one hundred twelve million, twenty thousand, two hundred twenty-one".