20351026523419 has 2 divisors, whose sum is σ = 20351026523420. Its totient is φ = 20351026523418.

The previous prime is 20351026523393. The next prime is 20351026523459. The reversal of 20351026523419 is 91432562015302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20351026523419 - 2¹³ = 20351026515227 is a prime.

It is a super-2 number, since 2×20351026523419² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20351026523459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10175513261709 + 10175513261710.

It is an arithmetic number, because the mean of its divisors is an integer number (10175513261710).

Almost surely, 2^{20351026523419} is an apocalyptic number.

20351026523419 is a deficient number, since it is larger than the sum of its proper divisors (1).

20351026523419 is an equidigital number, since it uses as much as digits as its factorization.

20351026523419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 20351026523419 in words is "twenty trillion, three hundred fifty-one billion, twenty-six million, five hundred twenty-three thousand, four hundred nineteen".