20334004343 has 2 divisors, whose sum is σ = 20334004344. Its totient is φ = 20334004342.

The previous prime is 20334004309. The next prime is 20334004349. The reversal of 20334004343 is 34340043302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20334004343 - 2²⁰ = 20332955767 is a prime.

It is a super-2 number, since 2×20334004343² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20334004349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10167002171 + 10167002172.

It is an arithmetic number, because the mean of its divisors is an integer number (10167002172).

Almost surely, 2^20334004343 is an apocalyptic number.

20334004343 is a deficient number, since it is larger than the sum of its proper divisors (1).

20334004343 is an equidigital number, since it uses as much as digits as its factorization.

20334004343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 26.

Adding to 20334004343 its reverse (34340043302), we get a palindrome (54674047645).

The spelling of 20334004343 in words is "twenty billion, three hundred thirty-four million, four thousand, three hundred forty-three".