208020746799 has 12 divisors (see below), whose sum is σ = 300735482112. Its totient is φ = 138560004000.

The previous prime is 208020746779. The next prime is 208020746827. The reversal of 208020746799 is 997647020802.

It is not a de Polignac number, because 208020746799 - 2⁷ = 208020746671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208020746779) 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 in 11 ways as a sum of consecutive naturals, for example, 10030222 + ... + 10050939.

It is an arithmetic number, because the mean of its divisors is an integer number (25061290176).

Almost surely, 2^208020746799 is an apocalyptic number.

208020746799 is a deficient number, since it is larger than the sum of its proper divisors (92714735313).

208020746799 is a wasteful number, since it uses less digits than its factorization.

208020746799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20082318 (or 20082315 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 208020746799 in words is "two hundred eight billion, twenty million, seven hundred forty-six thousand, seven hundred ninety-nine".