20343110221043 has 8 divisors (see below), whose sum is σ = 20680776012480. Its totient is φ = 20007448381440.

The previous prime is 20343110221037. The next prime is 20343110221051. The reversal of 20343110221043 is 34012201134302.

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

It is a cyclic number.

It is not a de Polignac number, because 20343110221043 - 2²⁸ = 20342841785587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20343110221033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500967488 + ... + 501008093.

It is an arithmetic number, because the mean of its divisors is an integer number (2585097001560).

Almost surely, 2^{20343110221043} is an apocalyptic number.

20343110221043 is a deficient number, since it is larger than the sum of its proper divisors (337665791437).

20343110221043 is a wasteful number, since it uses less digits than its factorization.

20343110221043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001975917.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 20343110221043 its reverse (34012201134302), we get a palindrome (54355311355345).

The spelling of 20343110221043 in words is "twenty trillion, three hundred forty-three billion, one hundred ten million, two hundred twenty-one thousand, forty-three".