20138714 has 4 divisors (see below), whose sum is σ = 30208074. Its totient is φ = 10069356.

The previous prime is 20138707. The next prime is 20138743. The reversal of 20138714 is 41783102.

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., 19758025 + 380689 = 4445^2 + 617^2 .

It is an unprimeable number.

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, 5034677 + ... + 5034680.

Almost surely, 2^20138714 is an apocalyptic number.

20138714 is a deficient number, since it is larger than the sum of its proper divisors (10069360).

20138714 is a wasteful number, since it uses less digits than its factorization.

20138714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069359.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 20138714 is about 4487.6178536056. The cubic root of 20138714 is about 272.0678626087.

The spelling of 20138714 in words is "twenty million, one hundred thirty-eight thousand, seven hundred fourteen".