20203003013 has 2 divisors, whose sum is σ = 20203003014. Its totient is φ = 20203003012.

The previous prime is 20203003001. The next prime is 20203003021. The reversal of 20203003013 is 31030030202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11903246404 + 8299756609 = 109102^2 + 91103^2 .

It is a cyclic number.

It is not a de Polignac number, because 20203003013 - 2²⁴ = 20186225797 is a prime.

It is a super-2 number, since 2×20203003013² (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 (20203003043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101501506 + 10101501507.

It is an arithmetic number, because the mean of its divisors is an integer number (10101501507).

Almost surely, 2^20203003013 is an apocalyptic number.

It is an amenable number.

20203003013 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203003013 is an equidigital number, since it uses as much as digits as its factorization.

20203003013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 20203003013 its reverse (31030030202), we get a palindrome (51233033215).

The spelling of 20203003013 in words is "twenty billion, two hundred three million, three thousand, thirteen".