20043343255 has 16 divisors (see below), whose sum is σ = 26144252064. Its totient is φ = 14662903680.

The previous prime is 20043343253. The next prime is 20043343283. The reversal of 20043343255 is 55234334002.

It is not a de Polignac number, because 20043343255 - 2¹ = 20043343253 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 (20043343253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1433976 + ... + 1447885.

It is an arithmetic number, because the mean of its divisors is an integer number (1634015754).

Almost surely, 2^20043343255 is an apocalyptic number.

20043343255 is a deficient number, since it is larger than the sum of its proper divisors (6100908809).

20043343255 is a wasteful number, since it uses less digits than its factorization.

20043343255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2881986.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 20043343255 its reverse (55234334002), we get a palindrome (75277677257).

The spelling of 20043343255 in words is "twenty billion, forty-three million, three hundred forty-three thousand, two hundred fifty-five".