10000203 has 4 divisors (see below), whose sum is σ = 13333608. Its totient is φ = 6666800.

The previous prime is 10000189. The next prime is 10000223. The reversal of 10000203 is 30200001.

10000203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10000203 - 2⁶ = 10000139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000191 and 10000200.

It is not an unprimeable number, because it can be changed into a prime (10000223) 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, 1666698 + ... + 1666703.

It is an arithmetic number, because the mean of its divisors is an integer number (3333402).

Almost surely, 2^10000203 is an apocalyptic number.

10000203 is a deficient number, since it is larger than the sum of its proper divisors (3333405).

10000203 is an equidigital number, since it uses as much as digits as its factorization.

10000203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333404.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 10000203 is about 3162.3097571237. The cubic root of 10000203 is about 215.4449268275. Note that the first 3 decimals are identical.

Adding to 10000203 its reverse (30200001), we get a palindrome (40200204).

The spelling of 10000203 in words is "ten million, two hundred three", and thus it is an aban number.