20116320840029 has 2 divisors, whose sum is σ = 20116320840030. Its totient is φ = 20116320840028.

The previous prime is 20116320839983. The next prime is 20116320840067. The reversal of 20116320840029 is 92004802361102.

It is an a-pointer prime, because the next prime (20116320840067) can be obtained adding 20116320840029 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14616934704100 + 5499386135929 = 3823210^2 + 2345077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20116320840029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20116320839974 and 20116320840001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20116320840079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058160420014 + 10058160420015.

It is an arithmetic number, because the mean of its divisors is an integer number (10058160420015).

Almost surely, 2^{20116320840029} is an apocalyptic number.

It is an amenable number.

20116320840029 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116320840029 is an equidigital number, since it uses as much as digits as its factorization.

20116320840029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 20116320840029 in words is "twenty trillion, one hundred sixteen billion, three hundred twenty million, eight hundred forty thousand, twenty-nine".