20264244466843 has 16 divisors (see below), whose sum is σ = 21829234688800. Its totient is φ = 18700141178880.

The previous prime is 20264244466831. The next prime is 20264244466859. The reversal of 20264244466843 is 34866444246202.

It is a cyclic number.

It is not a de Polignac number, because 20264244466843 - 2¹³ = 20264244458651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20264244466043) 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 in 15 ways as a sum of consecutive naturals, for example, 1121980033 + ... + 1121998093.

It is an arithmetic number, because the mean of its divisors is an integer number (1364327168050).

Almost surely, 2^{20264244466843} is an apocalyptic number.

20264244466843 is a deficient number, since it is larger than the sum of its proper divisors (1564990221957).

20264244466843 is a wasteful number, since it uses less digits than its factorization.

20264244466843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37822.

The product of its (nonzero) digits is 42467328, while the sum is 55.

The spelling of 20264244466843 in words is "twenty trillion, two hundred sixty-four billion, two hundred forty-four million, four hundred sixty-six thousand, eight hundred forty-three".