20331312115019 has 2 divisors, whose sum is σ = 20331312115020. Its totient is φ = 20331312115018.

The previous prime is 20331312115001. The next prime is 20331312115067. The reversal of 20331312115019 is 91051121313302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20331312115019 - 2⁴⁰ = 19231800487243 is a prime.

It is a super-2 number, since 2×20331312115019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20331312105019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165656057509 + 10165656057510.

It is an arithmetic number, because the mean of its divisors is an integer number (10165656057510).

Almost surely, 2^{20331312115019} is an apocalyptic number.

20331312115019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20331312115019 is an equidigital number, since it uses as much as digits as its factorization.

20331312115019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The spelling of 20331312115019 in words is "twenty trillion, three hundred thirty-one billion, three hundred twelve million, one hundred fifteen thousand, nineteen".