20312626543463 has 4 divisors (see below), whose sum is σ = 20312651885400. Its totient is φ = 20312601201528.

The previous prime is 20312626543403. The next prime is 20312626543493. The reversal of 20312626543463 is 36434562621302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20312626543463 - 2¹² = 20312626539367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312626543403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11428013 + ... + 13085286.

It is an arithmetic number, because the mean of its divisors is an integer number (5078162971350).

Almost surely, 2^{20312626543463} is an apocalyptic number.

20312626543463 is a deficient number, since it is larger than the sum of its proper divisors (25341937).

20312626543463 is an equidigital number, since it uses as much as digits as its factorization.

20312626543463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25341936.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 20312626543463 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-six million, five hundred forty-three thousand, four hundred sixty-three".