2020011020221 has 16 divisors (see below), whose sum is σ = 2063135733120. Its totient is φ = 1977190461760.

The previous prime is 2020011020213. The next prime is 2020011020239. The reversal of 2020011020221 is 1220201100202.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2020011020221 - 2³ = 2020011020213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020011080221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30582051 + ... + 30648031.

It is an arithmetic number, because the mean of its divisors is an integer number (128945983320).

Almost surely, 2^{2020011020221} is an apocalyptic number.

It is an amenable number.

2020011020221 is a deficient number, since it is larger than the sum of its proper divisors (43124712899).

2020011020221 is a wasteful number, since it uses less digits than its factorization.

2020011020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68276.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020011020221 its reverse (1220201100202), we get a palindrome (3240212120423).

The spelling of 2020011020221 in words is "two trillion, twenty billion, eleven million, twenty thousand, two hundred twenty-one".