2020103 has 4 divisors (see below), whose sum is σ = 2028048. Its totient is φ = 2012160.

The previous prime is 2020091. The next prime is 2020147. The reversal of 2020103 is 3010202.

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 2020103 - 2⁸ = 2019847 is a prime.

It is a super-2 number, since 2×2020103² = 8161632261218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (507012).

2^2020103 is an apocalyptic number.

2020103 is a deficient number, since it is larger than the sum of its proper divisors (7945).

2020103 is an equidigital number, since it uses as much as digits as its factorization.

2020103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7944.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 2020103 is about 1421.3032751668. The cubic root of 2020103 is about 126.4128350143.

Adding to 2020103 its reverse (3010202), we get a palindrome (5030305).

Subtracting 2020103 from its reverse (3010202), we obtain a palindrome (990099).

The spelling of 2020103 in words is "two million, twenty thousand, one hundred three".