20333023313 has 2 divisors, whose sum is σ = 20333023314. Its totient is φ = 20333023312.

The previous prime is 20333023303. The next prime is 20333023331. The reversal of 20333023313 is 31332033302.

Together with next prime (20333023331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20105254849 + 227768464 = 141793^2 + 15092^2 .

It is a cyclic number.

It is not a de Polignac number, because 20333023313 - 2¹⁴ = 20333006929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20333023303) 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, 10166511656 + 10166511657.

It is an arithmetic number, because the mean of its divisors is an integer number (10166511657).

Almost surely, 2^20333023313 is an apocalyptic number.

It is an amenable number.

20333023313 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333023313 is an equidigital number, since it uses as much as digits as its factorization.

20333023313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 23.

Adding to 20333023313 its reverse (31332033302), we get a palindrome (51665056615).

The spelling of 20333023313 in words is "twenty billion, three hundred thirty-three million, twenty-three thousand, three hundred thirteen".