2020445197 has 2 divisors, whose sum is σ = 2020445198. Its totient is φ = 2020445196.

The previous prime is 2020445173. The next prime is 2020445201. The reversal of 2020445197 is 7915440202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1416317956 + 604127241 = 37634^2 + 24579^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020445197 - 2⁷ = 2020445069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020445117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010222598 + 1010222599.

It is an arithmetic number, because the mean of its divisors is an integer number (1010222599).

Almost surely, 2^2020445197 is an apocalyptic number.

It is an amenable number.

2020445197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020445197 is an equidigital number, since it uses as much as digits as its factorization.

2020445197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2020445197 is about 44949.3625872492. The cubic root of 2020445197 is about 1264.1997254647.

Adding to 2020445197 its reverse (7915440202), we get a palindrome (9935885399).

The spelling of 2020445197 in words is "two billion, twenty million, four hundred forty-five thousand, one hundred ninety-seven".