20430212044097 has 2 divisors, whose sum is σ = 20430212044098. Its totient is φ = 20430212044096.

The previous prime is 20430212044093. The next prime is 20430212044133. The reversal of 20430212044097 is 79044021203402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19828282786816 + 601929257281 = 4452896^2 + 775841^2 .

It is a cyclic number.

It is not a de Polignac number, because 20430212044097 - 2² = 20430212044093 is a prime.

It is a super-2 number, since 2×20430212044097² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20430212044097.

It is not a weakly prime, because it can be changed into another prime (20430212044093) 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, 10215106022048 + 10215106022049.

It is an arithmetic number, because the mean of its divisors is an integer number (10215106022049).

Almost surely, 2^{20430212044097} is an apocalyptic number.

It is an amenable number.

20430212044097 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430212044097 is an equidigital number, since it uses as much as digits as its factorization.

20430212044097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 38.

Adding to 20430212044097 its reverse (79044021203402), we get a palindrome (99474233247499).

The spelling of 20430212044097 in words is "twenty trillion, four hundred thirty billion, two hundred twelve million, forty-four thousand, ninety-seven".