2020321301221 has 4 divisors (see below), whose sum is σ = 2054564035200. Its totient is φ = 1986078567244.

The previous prime is 2020321301213. The next prime is 2020321301233. The reversal of 2020321301221 is 1221031230202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020321301221 - 2³ = 2020321301213 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 (2020321371221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17121366901 + ... + 17121367018.

It is an arithmetic number, because the mean of its divisors is an integer number (513641008800).

Almost surely, 2^{2020321301221} is an apocalyptic number.

It is an amenable number.

2020321301221 is a deficient number, since it is larger than the sum of its proper divisors (34242733979).

2020321301221 is an equidigital number, since it uses as much as digits as its factorization.

2020321301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34242733978.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2020321301221 its reverse (1221031230202), we get a palindrome (3241352531423).

The spelling of 2020321301221 in words is "two trillion, twenty billion, three hundred twenty-one million, three hundred one thousand, two hundred twenty-one".