20702714 has 16 divisors (see below), whose sum is σ = 32522688. Its totient is φ = 9865152.

The previous prime is 20702713. The next prime is 20702741. The reversal of 20702714 is 41720702.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 20702714.

It is not an unprimeable number, because it can be changed into a prime (20702711) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15314 + ... + 16610.

It is an arithmetic number, because the mean of its divisors is an integer number (2032668).

Almost surely, 2^20702714 is an apocalyptic number.

20702714 is a deficient number, since it is larger than the sum of its proper divisors (11819974).

20702714 is a wasteful number, since it uses less digits than its factorization.

20702714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 20702714 is about 4550.0235164227. The cubic root of 20702714 is about 274.5843373314.

The spelling of 20702714 in words is "twenty million, seven hundred two thousand, seven hundred fourteen".