20710703 has 16 divisors (see below), whose sum is σ = 23654400. Its totient is φ = 17975520.

The previous prime is 20710687. The next prime is 20710717. The reversal of 20710703 is 30701702.

It is not a de Polignac number, because 20710703 - 2⁴ = 20710687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20710733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46958 + ... + 47396.

It is an arithmetic number, because the mean of its divisors is an integer number (1478400).

Almost surely, 2^20710703 is an apocalyptic number.

20710703 is a deficient number, since it is larger than the sum of its proper divisors (2943697).

20710703 is a wasteful number, since it uses less digits than its factorization.

20710703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 20710703 is about 4550.9013392953. The cubic root of 20710703 is about 274.6196527038.

Subtracting 20710703 from its reverse (30701702), we obtain a palindrome (9990999).

The spelling of 20710703 in words is "twenty million, seven hundred ten thousand, seven hundred three".