20116232120749 has 2 divisors, whose sum is σ = 20116232120750. Its totient is φ = 20116232120748.

The previous prime is 20116232120729. The next prime is 20116232120819. The reversal of 20116232120749 is 94702123261102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13484098084900 + 6632134035849 = 3672070^2 + 2575293^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20116232120749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20116232120729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058116060374 + 10058116060375.

It is an arithmetic number, because the mean of its divisors is an integer number (10058116060375).

Almost surely, 2^{20116232120749} is an apocalyptic number.

It is an amenable number.

20116232120749 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116232120749 is an equidigital number, since it uses as much as digits as its factorization.

20116232120749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 20116232120749 in words is "twenty trillion, one hundred sixteen billion, two hundred thirty-two million, one hundred twenty thousand, seven hundred forty-nine".