20003122321093 has 2 divisors, whose sum is σ = 20003122321094. Its totient is φ = 20003122321092.

The previous prime is 20003122321003. The next prime is 20003122321121. The reversal of 20003122321093 is 39012322130002.

It is an a-pointer prime, because the next prime (20003122321121) can be obtained adding 20003122321093 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16159491492769 + 3843630828324 = 4019887^2 + 1960518^2 .

It is a cyclic number.

It is not a de Polignac number, because 20003122321093 - 2⁴¹ = 17804099065541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20003122321003) 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, 10001561160546 + 10001561160547.

It is an arithmetic number, because the mean of its divisors is an integer number (10001561160547).

Almost surely, 2^{20003122321093} is an apocalyptic number.

It is an amenable number.

20003122321093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003122321093 is an equidigital number, since it uses as much as digits as its factorization.

20003122321093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 20003122321093 its reverse (39012322130002), we get a palindrome (59015444451095).

The spelling of 20003122321093 in words is "twenty trillion, three billion, one hundred twenty-two million, three hundred twenty-one thousand, ninety-three".