20345030456371 has 2 divisors, whose sum is σ = 20345030456372. Its totient is φ = 20345030456370.

The previous prime is 20345030456287. The next prime is 20345030456417. The reversal of 20345030456371 is 17365403054302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20345030456371 - 2⁹ = 20345030455859 is a prime.

It is not a weakly prime, because it can be changed into another prime (20345030456671) 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, 10172515228185 + 10172515228186.

It is an arithmetic number, because the mean of its divisors is an integer number (10172515228186).

Almost surely, 2^{20345030456371} is an apocalyptic number.

20345030456371 is a deficient number, since it is larger than the sum of its proper divisors (1).

20345030456371 is an equidigital number, since it uses as much as digits as its factorization.

20345030456371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 43.

The spelling of 20345030456371 in words is "twenty trillion, three hundred forty-five billion, thirty million, four hundred fifty-six thousand, three hundred seventy-one".