20002000297 has 2 divisors, whose sum is σ = 20002000298. Its totient is φ = 20002000296.

The previous prime is 20002000289. The next prime is 20002000363. The reversal of 20002000297 is 79200020002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10887670336 + 9114329961 = 104344^2 + 95469^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002000297 - 2³ = 20002000289 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002000217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001000148 + 10001000149.

It is an arithmetic number, because the mean of its divisors is an integer number (10001000149).

Almost surely, 2^20002000297 is an apocalyptic number.

It is an amenable number.

20002000297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002000297 is an equidigital number, since it uses as much as digits as its factorization.

20002000297 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 22.

Adding to 20002000297 its reverse (79200020002), we get a palindrome (99202020299).

The spelling of 20002000297 in words is "twenty billion, two million, two hundred ninety-seven", and thus it is an aban number.