20026174387 has 2 divisors, whose sum is σ = 20026174388. Its totient is φ = 20026174386.

The previous prime is 20026174327. The next prime is 20026174393. The reversal of 20026174387 is 78347162002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20026174387 - 2²³ = 20017785779 is a prime.

It is not a weakly prime, because it can be changed into another prime (20026174327) 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, 10013087193 + 10013087194.

It is an arithmetic number, because the mean of its divisors is an integer number (10013087194).

Almost surely, 2^20026174387 is an apocalyptic number.

20026174387 is a deficient number, since it is larger than the sum of its proper divisors (1).

20026174387 is an equidigital number, since it uses as much as digits as its factorization.

20026174387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 20026174387 in words is "twenty billion, twenty-six million, one hundred seventy-four thousand, three hundred eighty-seven".