20705714 has 4 divisors (see below), whose sum is σ = 31058574. Its totient is φ = 10352856.

The previous prime is 20705701. The next prime is 20705753. The reversal of 20705714 is 41750702.

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., 11002489 + 9703225 = 3317^2 + 3115^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5176427 + ... + 5176430.

Almost surely, 2^20705714 is an apocalyptic number.

20705714 is a deficient number, since it is larger than the sum of its proper divisors (10352860).

20705714 is a wasteful number, since it uses less digits than its factorization.

20705714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10352859.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 20705714 is about 4550.3531731065. The cubic root of 20705714 is about 274.5975998957.

The spelling of 20705714 in words is "twenty million, seven hundred five thousand, seven hundred fourteen".