20682327435903 has 24 divisors (see below), whose sum is σ = 34525875664800. Its totient is φ = 11685680987904.

The previous prime is 20682327435863. The next prime is 20682327435907. The reversal of 20682327435903 is 30953472328602.

It is a happy number.

20682327435903 is a `hidden beast` number, since 2 + 0 + 6 + 8 + 2 + 3 + 2 + 7 + 43 + 590 + 3 = 666.

It is not a de Polignac number, because 20682327435903 - 2²² = 20682323241599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20682327435903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20682327435907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1844325358 + ... + 1844336571.

It is an arithmetic number, because the mean of its divisors is an integer number (1438578152700).

Almost surely, 2^{20682327435903} is an apocalyptic number.

20682327435903 is a deficient number, since it is larger than the sum of its proper divisors (13843548228897).

20682327435903 is a wasteful number, since it uses less digits than its factorization.

20682327435903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688662031 (or 3688662028 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 54.

The spelling of 20682327435903 in words is "twenty trillion, six hundred eighty-two billion, three hundred twenty-seven million, four hundred thirty-five thousand, nine hundred three".