20010000097 has 2 divisors, whose sum is σ = 20010000098. Its totient is φ = 20010000096.

The previous prime is 20010000083. The next prime is 20010000133. The reversal of 20010000097 is 79000001002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18911475361 + 1098524736 = 137519^2 + 33144^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010000097 - 2⁷ = 20009999969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010000697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005000048 + 10005000049.

It is an arithmetic number, because the mean of its divisors is an integer number (10005000049).

Almost surely, 2^20010000097 is an apocalyptic number.

It is an amenable number.

20010000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010000097 is an equidigital number, since it uses as much as digits as its factorization.

20010000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

Adding to 20010000097 its reverse (79000001002), we get a palindrome (99010001099).

The spelling of 20010000097 in words is "twenty billion, ten million, ninety-seven", and thus it is an aban number and an uban number.