20340119873 has 2 divisors, whose sum is σ = 20340119874. Its totient is φ = 20340119872.

The previous prime is 20340119843. The next prime is 20340119879. The reversal of 20340119873 is 37891104302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17323034689 + 3017085184 = 131617^2 + 54928^2 .

It is a cyclic number.

It is not a de Polignac number, because 20340119873 - 2¹⁴ = 20340103489 is a prime.

It is a super-2 number, since 2×20340119873² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20340119879) 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, 10170059936 + 10170059937.

It is an arithmetic number, because the mean of its divisors is an integer number (10170059937).

Almost surely, 2^20340119873 is an apocalyptic number.

It is an amenable number.

20340119873 is a deficient number, since it is larger than the sum of its proper divisors (1).

20340119873 is an equidigital number, since it uses as much as digits as its factorization.

20340119873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 20340119873 in words is "twenty billion, three hundred forty million, one hundred nineteen thousand, eight hundred seventy-three".