20020201001197 has 2 divisors, whose sum is σ = 20020201001198. Its totient is φ = 20020201001196.

The previous prime is 20020201001179. The next prime is 20020201001201. The reversal of 20020201001197 is 79110010202002.

Together with previous prime (20020201001179) 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., 19520720987076 + 499480014121 = 4418226^2 + 706739^2 .

It is a cyclic number.

It is not a de Polignac number, because 20020201001197 - 2⁴³ = 11224107978989 is a prime.

It is a super-2 number, since 2×20020201001197² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20020201001167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010100500598 + 10010100500599.

It is an arithmetic number, because the mean of its divisors is an integer number (10010100500599).

Almost surely, 2^{20020201001197} is an apocalyptic number.

It is an amenable number.

20020201001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20020201001197 is an equidigital number, since it uses as much as digits as its factorization.

20020201001197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 20020201001197 its reverse (79110010202002), we get a palindrome (99130211203199).

The spelling of 20020201001197 in words is "twenty trillion, twenty billion, two hundred one million, one thousand, one hundred ninety-seven".