20146120297 has 2 divisors, whose sum is σ = 20146120298. Its totient is φ = 20146120296.

The previous prime is 20146120259. The next prime is 20146120307. The reversal of 20146120297 is 79202164102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19188898576 + 957221721 = 138524^2 + 30939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20146120297 is a prime.

It is not a weakly prime, because it can be changed into another prime (20146120697) 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, 10073060148 + 10073060149.

It is an arithmetic number, because the mean of its divisors is an integer number (10073060149).

Almost surely, 2^20146120297 is an apocalyptic number.

It is an amenable number.

20146120297 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146120297 is an equidigital number, since it uses as much as digits as its factorization.

20146120297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 20146120297 its reverse (79202164102), we get a palindrome (99348284399).

The spelling of 20146120297 in words is "twenty billion, one hundred forty-six million, one hundred twenty thousand, two hundred ninety-seven".