20814614699 has 2 divisors, whose sum is σ = 20814614700. Its totient is φ = 20814614698.

The previous prime is 20814614671. The next prime is 20814614707. The reversal of 20814614699 is 99641641802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20814614699 - 2¹⁶ = 20814549163 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20814614659) 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, 10407307349 + 10407307350.

It is an arithmetic number, because the mean of its divisors is an integer number (10407307350).

Almost surely, 2^20814614699 is an apocalyptic number.

20814614699 is a deficient number, since it is larger than the sum of its proper divisors (1).

20814614699 is an equidigital number, since it uses as much as digits as its factorization.

20814614699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 20814614699 in words is "twenty billion, eight hundred fourteen million, six hundred fourteen thousand, six hundred ninety-nine".