2020903 has 8 divisors (see below), whose sum is σ = 2093648. Its totient is φ = 1949184.

The previous prime is 2020891. The next prime is 2020913. The reversal of 2020903 is 3090202.

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 2020903 - 2⁹ = 2020391 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 (2020913) 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 in 7 ways as a sum of consecutive naturals, for example, 7000 + ... + 7282.

It is an arithmetic number, because the mean of its divisors is an integer number (261706).

2^2020903 is an apocalyptic number.

2020903 is a deficient number, since it is larger than the sum of its proper divisors (72745).

2020903 is a wasteful number, since it uses less digits than its factorization.

2020903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2020903 is about 1421.5846791521. The cubic root of 2020903 is about 126.4295201241.

The spelling of 2020903 in words is "two million, twenty thousand, nine hundred three".