20985676714 has 16 divisors (see below), whose sum is σ = 31759932168. Its totient is φ = 10399282432.

The previous prime is 20985676711. The next prime is 20985676727. The reversal of 20985676714 is 41767658902.

It can be written as a sum of positive squares in 4 ways, for example, as 12663676089 + 8322000625 = 112533^2 + 91225^2 .

It is not an unprimeable number, because it can be changed into a prime (20985676711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106992 + ... + 231124.

Almost surely, 2^20985676714 is an apocalyptic number.

20985676714 is a deficient number, since it is larger than the sum of its proper divisors (10774255454).

20985676714 is a wasteful number, since it uses less digits than its factorization.

20985676714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124889.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 20985676714 in words is "twenty billion, nine hundred eighty-five million, six hundred seventy-six thousand, seven hundred fourteen".