2020203 has 6 divisors (see below), whose sum is σ = 2918084. Its totient is φ = 1346796.

The previous prime is 2020181. The next prime is 2020223. The reversal of 2020203 is 3020202.

It is not a de Polignac number, because 2020203 - 2⁵ = 2020171 is a prime.

It is a super-2 number, since 2×2020203² = 8162440322418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 224467 = 2020203 / (2 + 0 + 2 + 0 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112225 + ... + 112242.

2^2020203 is an apocalyptic number.

2020203 is a deficient number, since it is larger than the sum of its proper divisors (897881).

2020203 is a wasteful number, since it uses less digits than its factorization.

2020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224473 (or 224470 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 2020203 is about 1421.3384537119. The cubic root of 2020203 is about 126.4149208939.

Adding to 2020203 its reverse (3020202), we get a palindrome (5040405).

Subtracting 2020203 from its reverse (3020202), we obtain a palindrome (999999).

The spelling of 2020203 in words is "two million, twenty thousand, two hundred three".