20168703371 has 2 divisors, whose sum is σ = 20168703372. Its totient is φ = 20168703370.

The previous prime is 20168703343. The next prime is 20168703377. The reversal of 20168703371 is 17330786102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20168703371 - 2³⁰ = 19094961547 is a prime.

It is not a weakly prime, because it can be changed into another prime (20168703377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10084351685 + 10084351686.

It is an arithmetic number, because the mean of its divisors is an integer number (10084351686).

Almost surely, 2^20168703371 is an apocalyptic number.

20168703371 is a deficient number, since it is larger than the sum of its proper divisors (1).

20168703371 is an equidigital number, since it uses as much as digits as its factorization.

20168703371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 20168703371 in words is "twenty billion, one hundred sixty-eight million, seven hundred three thousand, three hundred seventy-one".