20159714 has 4 divisors (see below), whose sum is σ = 30239574. Its totient is φ = 10079856.

The previous prime is 20159693. The next prime is 20159719. The reversal of 20159714 is 41795102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41795102 = 2 ⋅20897551.

It can be written as a sum of positive squares in only one way, i.e., 19492225 + 667489 = 4415^2 + 817^2 .

It is not an unprimeable number, because it can be changed into a prime (20159719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5039927 + ... + 5039930.

Almost surely, 2^20159714 is an apocalyptic number.

20159714 is a deficient number, since it is larger than the sum of its proper divisors (10079860).

20159714 is a wasteful number, since it uses less digits than its factorization.

20159714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10079859.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 20159714 is about 4489.9570153844. The cubic root of 20159714 is about 272.1623976146.

The spelling of 20159714 in words is "twenty million, one hundred fifty-nine thousand, seven hundred fourteen".