20312848465919 has 8 divisors (see below), whose sum is σ = 20522363393280. Its totient is φ = 20103335663616.

The previous prime is 20312848465879. The next prime is 20312848465937. The reversal of 20312848465919 is 91956484821302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20312848465919 is a prime.

It is a super-2 number, since 2×20312848465919² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312848465519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24959087 + ... + 25760079.

It is an arithmetic number, because the mean of its divisors is an integer number (2565295424160).

Almost surely, 2^{20312848465919} is an apocalyptic number.

20312848465919 is a deficient number, since it is larger than the sum of its proper divisors (209514927361).

20312848465919 is an equidigital number, since it uses as much as digits as its factorization.

20312848465919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062529.

The product of its (nonzero) digits is 29859840, while the sum is 62.

The spelling of 20312848465919 in words is "twenty trillion, three hundred twelve billion, eight hundred forty-eight million, four hundred sixty-five thousand, nine hundred nineteen".