20500703 has 8 divisors (see below), whose sum is σ = 21258240. Its totient is φ = 19749240.

The previous prime is 20500699. The next prime is 20500717. The reversal of 20500703 is 30700502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20500703 - 2² = 20500699 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 (20500763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6026 + ... + 8792.

It is an arithmetic number, because the mean of its divisors is an integer number (2657280).

Almost surely, 2^20500703 is an apocalyptic number.

20500703 is a deficient number, since it is larger than the sum of its proper divisors (757537).

20500703 is a wasteful number, since it uses less digits than its factorization.

20500703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 20500703 is about 4527.7702017660. The cubic root of 20500703 is about 273.6883121706.

The spelling of 20500703 in words is "twenty million, five hundred thousand, seven hundred three".