20484026280019 has 2 divisors, whose sum is σ = 20484026280020. Its totient is φ = 20484026280018.

The previous prime is 20484026280017. The next prime is 20484026280089. The reversal of 20484026280019 is 91008262048402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20484026280019 - 2¹ = 20484026280017 is a prime.

It is a super-2 number, since 2×20484026280019² (a number of 27 digits) contains 22 as substring.

Together with 20484026280017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20484026280013) 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, 10242013140009 + 10242013140010.

It is an arithmetic number, because the mean of its divisors is an integer number (10242013140010).

Almost surely, 2^{20484026280019} is an apocalyptic number.

20484026280019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20484026280019 is an equidigital number, since it uses as much as digits as its factorization.

20484026280019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 20484026280019 in words is "twenty trillion, four hundred eighty-four billion, twenty-six million, two hundred eighty thousand, nineteen".