20243000303 has 2 divisors, whose sum is σ = 20243000304. Its totient is φ = 20243000302.

The previous prime is 20243000237. The next prime is 20243000317. The reversal of 20243000303 is 30300034202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20243000303 - 2⁸ = 20243000047 is a prime.

It is a super-2 number, since 2×20243000303² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20243000363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121500151 + 10121500152.

It is an arithmetic number, because the mean of its divisors is an integer number (10121500152).

Almost surely, 2^20243000303 is an apocalyptic number.

20243000303 is a deficient number, since it is larger than the sum of its proper divisors (1).

20243000303 is an equidigital number, since it uses as much as digits as its factorization.

20243000303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 17.

Adding to 20243000303 its reverse (30300034202), we get a palindrome (50543034505).

The spelling of 20243000303 in words is "twenty billion, two hundred forty-three million, three hundred three", and thus it is an aban number.