20039703 has 4 divisors (see below), whose sum is σ = 26719608. Its totient is φ = 13359800.

The previous prime is 20039687. The next prime is 20039707. The reversal of 20039703 is 30793002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20039703 - 2⁴ = 20039687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20039707) 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 in 3 ways as a sum of consecutive naturals, for example, 3339948 + ... + 3339953.

It is an arithmetic number, because the mean of its divisors is an integer number (6679902).

Almost surely, 2^20039703 is an apocalyptic number.

20039703 is a deficient number, since it is larger than the sum of its proper divisors (6679905).

20039703 is an equidigital number, since it uses as much as digits as its factorization.

20039703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679904.

The product of its (nonzero) digits is 1134, while the sum is 24.

The square root of 20039703 is about 4476.5726845434. The cubic root of 20039703 is about 271.6212604722.

It can be divided in two parts, 200 and 39703, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 20039703 in words is "twenty million, thirty-nine thousand, seven hundred three".