20000303 has 2 divisors, whose sum is σ = 20000304. Its totient is φ = 20000302.

The previous prime is 20000297. The next prime is 20000311. The reversal of 20000303 is 30300002.

It is an a-pointer prime, because the next prime (20000311) can be obtained adding 20000303 to its sum of digits (8).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20000303 - 2⁴ = 20000287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20000353) 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 as a sum of consecutive naturals, namely, 10000151 + 10000152.

It is an arithmetic number, because the mean of its divisors is an integer number (10000152).

Almost surely, 2^20000303 is an apocalyptic number.

20000303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000303 is an equidigital number, since it uses as much as digits as its factorization.

20000303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 8.

The square root of 20000303 is about 4472.1698313011. The cubic root of 20000303 is about 271.4431324335.

Adding to 20000303 its reverse (30300002), we get a palindrome (50300305).

The spelling of 20000303 in words is "twenty million, three hundred three", and thus it is an aban number.