20301330097 has 2 divisors, whose sum is σ = 20301330098. Its totient is φ = 20301330096.

The previous prime is 20301330061. The next prime is 20301330107. The reversal of 20301330097 is 79003310302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17498262961 + 2803067136 = 132281^2 + 52944^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301330097 - 2²⁷ = 20167112369 is a prime.

It is not a weakly prime, because it can be changed into another prime (20301330017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150665048 + 10150665049.

It is an arithmetic number, because the mean of its divisors is an integer number (10150665049).

Almost surely, 2^20301330097 is an apocalyptic number.

It is an amenable number.

20301330097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301330097 is an equidigital number, since it uses as much as digits as its factorization.

20301330097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 28.

Adding to 20301330097 its reverse (79003310302), we get a palindrome (99304640399).

The spelling of 20301330097 in words is "twenty billion, three hundred one million, three hundred thirty thousand, ninety-seven".