2020220197 has 2 divisors, whose sum is σ = 2020220198. Its totient is φ = 2020220196.

The previous prime is 2020220173. The next prime is 2020220227. The reversal of 2020220197 is 7910220202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1991479876 + 28740321 = 44626^2 + 5361^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020220197 - 2²³ = 2011831589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020220117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010110098 + 1010110099.

It is an arithmetic number, because the mean of its divisors is an integer number (1010110099).

Almost surely, 2^2020220197 is an apocalyptic number.

It is an amenable number.

2020220197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020220197 is an equidigital number, since it uses as much as digits as its factorization.

2020220197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2020220197 is about 44946.8597012072. The cubic root of 2020220197 is about 1264.1527959566.

Adding to 2020220197 its reverse (7910220202), we get a palindrome (9930440399).

The spelling of 2020220197 in words is "two billion, twenty million, two hundred twenty thousand, one hundred ninety-seven".