20303313033203 has 2 divisors, whose sum is σ = 20303313033204. Its totient is φ = 20303313033202.

The previous prime is 20303313033193. The next prime is 20303313033259. The reversal of 20303313033203 is 30233031330302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20303313033203 - 2¹⁶ = 20303312967667 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20303313033803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151656516601 + 10151656516602.

It is an arithmetic number, because the mean of its divisors is an integer number (10151656516602).

Almost surely, 2^{20303313033203} is an apocalyptic number.

20303313033203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20303313033203 is an equidigital number, since it uses as much as digits as its factorization.

20303313033203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 26.

Adding to 20303313033203 its reverse (30233031330302), we get a palindrome (50536344363505).

The spelling of 20303313033203 in words is "twenty trillion, three hundred three billion, three hundred thirteen million, thirty-three thousand, two hundred three".