20430413093 has 2 divisors, whose sum is σ = 20430413094. Its totient is φ = 20430413092.

The previous prime is 20430413053. The next prime is 20430413123. The reversal of 20430413093 is 39031403402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15920887684 + 4509525409 = 126178^2 + 67153^2 .

It is a cyclic number.

It is not a de Polignac number, because 20430413093 - 2²⁴ = 20413635877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20430413053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215206546 + 10215206547.

It is an arithmetic number, because the mean of its divisors is an integer number (10215206547).

Almost surely, 2^20430413093 is an apocalyptic number.

It is an amenable number.

20430413093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430413093 is an equidigital number, since it uses as much as digits as its factorization.

20430413093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 20430413093 its reverse (39031403402), we get a palindrome (59461816495).

The spelling of 20430413093 in words is "twenty billion, four hundred thirty million, four hundred thirteen thousand, ninety-three".