202020120097 has 2 divisors, whose sum is σ = 202020120098. Its totient is φ = 202020120096.

The previous prime is 202020120079. The next prime is 202020120103. The reversal of 202020120097 is 790021020202.

Together with previous prime (202020120079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111780560896 + 90239559201 = 334336^2 + 300399^2 .

It is a cyclic number.

It is not a de Polignac number, because 202020120097 - 2⁷ = 202020119969 is a prime.

It is not a weakly prime, because it can be changed into another prime (202020120047) 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 as a sum of consecutive naturals, namely, 101010060048 + 101010060049.

It is an arithmetic number, because the mean of its divisors is an integer number (101010060049).

Almost surely, 2^202020120097 is an apocalyptic number.

It is an amenable number.

202020120097 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020120097 is an equidigital number, since it uses as much as digits as its factorization.

202020120097 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.

Adding to 202020120097 its reverse (790021020202), we get a palindrome (992041140299).

The spelling of 202020120097 in words is "two hundred two billion, twenty million, one hundred twenty thousand, ninety-seven".