20425138237319 has 2 divisors, whose sum is σ = 20425138237320. Its totient is φ = 20425138237318.

The previous prime is 20425138237243. The next prime is 20425138237321. The reversal of 20425138237319 is 91373283152402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20425138237319 - 2³⁶ = 20356418760583 is a prime.

It is a super-2 number, since 2×20425138237319² (a number of 27 digits) contains 22 as substring.

Together with 20425138237321, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20425138237019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10212569118659 + 10212569118660.

It is an arithmetic number, because the mean of its divisors is an integer number (10212569118660).

Almost surely, 2^{20425138237319} is an apocalyptic number.

20425138237319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20425138237319 is an equidigital number, since it uses as much as digits as its factorization.

20425138237319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 20425138237319 in words is "twenty trillion, four hundred twenty-five billion, one hundred thirty-eight million, two hundred thirty-seven thousand, three hundred nineteen".