20683054916 has 6 divisors (see below), whose sum is σ = 36195346110. Its totient is φ = 10341527456.

The previous prime is 20683054891. The next prime is 20683054937. The reversal of 20683054916 is 61945038602.

It can be written as a sum of positive squares in only one way, i.e., 20643942400 + 39112516 = 143680^2 + 6254^2 .

It is an unprimeable number.

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, 2585381861 + ... + 2585381868.

It is an arithmetic number, because the mean of its divisors is an integer number (6032557685).

Almost surely, 2^20683054916 is an apocalyptic number.

It is an amenable number.

20683054916 is a deficient number, since it is larger than the sum of its proper divisors (15512291194).

20683054916 is a wasteful number, since it uses less digits than its factorization.

20683054916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5170763733 (or 5170763731 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 20683054916 in words is "twenty billion, six hundred eighty-three million, fifty-four thousand, nine hundred sixteen".