20416001452109 has 2 divisors, whose sum is σ = 20416001452110. Its totient is φ = 20416001452108.

The previous prime is 20416001452097. The next prime is 20416001452129. The reversal of 20416001452109 is 90125410061402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18559467124900 + 1856534327209 = 4308070^2 + 1362547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20416001452109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20416001452129) 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, 10208000726054 + 10208000726055.

It is an arithmetic number, because the mean of its divisors is an integer number (10208000726055).

Almost surely, 2^{20416001452109} is an apocalyptic number.

It is an amenable number.

20416001452109 is a deficient number, since it is larger than the sum of its proper divisors (1).

20416001452109 is an equidigital number, since it uses as much as digits as its factorization.

20416001452109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 20416001452109 in words is "twenty trillion, four hundred sixteen billion, one million, four hundred fifty-two thousand, one hundred nine".