20004373692693 has 20 divisors (see below), whose sum is σ = 32181774964108. Its totient is φ = 12310383810240.

The previous prime is 20004373692659. The next prime is 20004373692701. The reversal of 20004373692693 is 39629637340002.

20004373692693 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 4 + 373 + 6 + 9 + 269 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3183933472164 + 16820440220529 = 1784358^2 + 4101273^2 .

It is not a de Polignac number, because 20004373692693 - 2⁹ = 20004373692181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004373692623) 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 19 ways as a sum of consecutive naturals, for example, 9498751888 + ... + 9498753993.

Almost surely, 2^{20004373692693} is an apocalyptic number.

It is an amenable number.

20004373692693 is a deficient number, since it is larger than the sum of its proper divisors (12177401271415).

20004373692693 is a wasteful number, since it uses less digits than its factorization.

20004373692693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18997505906 (or 18997505897 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 54.

The spelling of 20004373692693 in words is "twenty trillion, four billion, three hundred seventy-three million, six hundred ninety-two thousand, six hundred ninety-three".