2020413221 has 2 divisors, whose sum is σ = 2020413222. Its totient is φ = 2020413220.

The previous prime is 2020413217. The next prime is 2020413247. The reversal of 2020413221 is 1223140202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1992640321 + 27772900 = 44639^2 + 5270^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020413221 - 2² = 2020413217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020413221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020413281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010206610 + 1010206611.

It is an arithmetic number, because the mean of its divisors is an integer number (1010206611).

Almost surely, 2^2020413221 is an apocalyptic number.

It is an amenable number.

2020413221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020413221 is an equidigital number, since it uses as much as digits as its factorization.

2020413221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2020413221 is about 44949.0068967046. The cubic root of 2020413221 is about 1264.1930562640.

Adding to 2020413221 its reverse (1223140202), we get a palindrome (3243553423).

The spelling of 2020413221 in words is "two billion, twenty million, four hundred thirteen thousand, two hundred twenty-one".