20203333013 has 2 divisors, whose sum is σ = 20203333014. Its totient is φ = 20203333012.

The previous prime is 20203332997. The next prime is 20203333019. The reversal of 20203333013 is 31033330202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18563245009 + 1640088004 = 136247^2 + 40498^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203333013 - 2⁴ = 20203332997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20203333019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101666506 + 10101666507.

It is an arithmetic number, because the mean of its divisors is an integer number (10101666507).

Almost surely, 2^20203333013 is an apocalyptic number.

It is an amenable number.

20203333013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203333013 is an equidigital number, since it uses as much as digits as its factorization.

20203333013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20203333013 its reverse (31033330202), we get a palindrome (51236663215).

The spelling of 20203333013 in words is "twenty billion, two hundred three million, three hundred thirty-three thousand, thirteen".