20666627714 has 4 divisors (see below), whose sum is σ = 30999941574. Its totient is φ = 10333313856.

The previous prime is 20666627633. The next prime is 20666627753. The reversal of 20666627714 is 41772666602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14043435025 + 6623192689 = 118505^2 + 81383^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5166656927 + ... + 5166656930.

Almost surely, 2^20666627714 is an apocalyptic number.

20666627714 is a deficient number, since it is larger than the sum of its proper divisors (10333313860).

20666627714 is a wasteful number, since it uses less digits than its factorization.

20666627714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333313859.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 20666627714 in words is "twenty billion, six hundred sixty-six million, six hundred twenty-seven thousand, seven hundred fourteen".