20340253230019 has 2 divisors, whose sum is σ = 20340253230020. Its totient is φ = 20340253230018.

The previous prime is 20340253229999. The next prime is 20340253230067. The reversal of 20340253230019 is 91003235204302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20340253230019 - 2²¹ = 20340251132867 is a prime.

It is a super-2 number, since 2×20340253230019² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20340253237019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10170126615009 + 10170126615010.

It is an arithmetic number, because the mean of its divisors is an integer number (10170126615010).

Almost surely, 2^{20340253230019} is an apocalyptic number.

20340253230019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340253230019 is an equidigital number, since it uses as much as digits as its factorization.

20340253230019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 20340253230019 in words is "twenty trillion, three hundred forty billion, two hundred fifty-three million, two hundred thirty thousand, nineteen".