2020003221 has 32 divisors (see below), whose sum is σ = 2999024640. Its totient is φ = 1203548544.

The previous prime is 2020003201. The next prime is 2020003231. The reversal of 2020003221 is 1223000202.

It is not a de Polignac number, because 2020003221 - 2¹⁷ = 2019872149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020003197 and 2020003206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020003201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85150 + ... + 106256.

It is an arithmetic number, because the mean of its divisors is an integer number (93719520).

Almost surely, 2^2020003221 is an apocalyptic number.

It is an amenable number.

2020003221 is a deficient number, since it is larger than the sum of its proper divisors (979021419).

2020003221 is a wasteful number, since it uses less digits than its factorization.

2020003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21225.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2020003221 is about 44944.4459416289. The cubic root of 2020003221 is about 1264.1075367587.

Adding to 2020003221 its reverse (1223000202), we get a palindrome (3243003423).

The spelling of 2020003221 in words is "two billion, twenty million, three thousand, two hundred twenty-one".