2020032221 has 2 divisors, whose sum is σ = 2020032222. Its totient is φ = 2020032220.

The previous prime is 2020032211. The next prime is 2020032227. The reversal of 2020032221 is 1222300202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1959036121 + 60996100 = 44261^2 + 7810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020032221 - 2¹⁰ = 2020031197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020032196 and 2020032205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020032227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010016110 + 1010016111.

It is an arithmetic number, because the mean of its divisors is an integer number (1010016111).

Almost surely, 2^2020032221 is an apocalyptic number.

It is an amenable number.

2020032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020032221 is an equidigital number, since it uses as much as digits as its factorization.

2020032221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2020032221 is about 44944.7685609794. The cubic root of 2020032221 is about 1264.1135860796.

Adding to 2020032221 its reverse (1222300202), we get a palindrome (3242332423).

The spelling of 2020032221 in words is "two billion, twenty million, thirty-two thousand, two hundred twenty-one".