20492845310351 has 2 divisors, whose sum is σ = 20492845310352. Its totient is φ = 20492845310350.

The previous prime is 20492845310317. The next prime is 20492845310363. The reversal of 20492845310351 is 15301354829402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20492845310351 - 2²² = 20492841116047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20492845310296 and 20492845310305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20492845310051) 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, 10246422655175 + 10246422655176.

It is an arithmetic number, because the mean of its divisors is an integer number (10246422655176).

Almost surely, 2^{20492845310351} is an apocalyptic number.

20492845310351 is a deficient number, since it is larger than the sum of its proper divisors (1).

20492845310351 is an equidigital number, since it uses as much as digits as its factorization.

20492845310351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 20492845310351 in words is "twenty trillion, four hundred ninety-two billion, eight hundred forty-five million, three hundred ten thousand, three hundred fifty-one".