20334021343 has 4 divisors (see below), whose sum is σ = 20468683888. Its totient is φ = 20199358800.

The previous prime is 20334021341. The next prime is 20334021353. The reversal of 20334021343 is 34312043302.

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 20334021343 - 2¹ = 20334021341 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 (20334021341) 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, 67331046 + ... + 67331347.

It is an arithmetic number, because the mean of its divisors is an integer number (5117170972).

Almost surely, 2^20334021343 is an apocalyptic number.

20334021343 is a deficient number, since it is larger than the sum of its proper divisors (134662545).

20334021343 is a wasteful number, since it uses less digits than its factorization.

20334021343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134662544.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 20334021343 its reverse (34312043302), we get a palindrome (54646064645).

The spelling of 20334021343 in words is "twenty billion, three hundred thirty-four million, twenty-one thousand, three hundred forty-three".