20849714 has 4 divisors (see below), whose sum is σ = 31274574. Its totient is φ = 10424856.

The previous prime is 20849713. The next prime is 20849761. The reversal of 20849714 is 41794802.

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., 15171025 + 5678689 = 3895^2 + 2383^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20849713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5212427 + ... + 5212430.

Almost surely, 2^20849714 is an apocalyptic number.

20849714 is a deficient number, since it is larger than the sum of its proper divisors (10424860).

20849714 is a wasteful number, since it uses less digits than its factorization.

20849714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10424859.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 20849714 is about 4566.1487054190. The cubic root of 20849714 is about 275.2327022078.

The spelling of 20849714 in words is "twenty million, eight hundred forty-nine thousand, seven hundred fourteen".