20340043335 has 12 divisors (see below), whose sum is σ = 35256075192. Its totient is φ = 10848023088.

The previous prime is 20340043319. The next prime is 20340043349. The reversal of 20340043335 is 53334004302.

It is a happy number.

It is not a de Polignac number, because 20340043335 - 2⁴ = 20340043319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20340043299 and 20340043308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226000437 + ... + 226000526.

It is an arithmetic number, because the mean of its divisors is an integer number (2938006266).

Almost surely, 2^20340043335 is an apocalyptic number.

20340043335 is a deficient number, since it is larger than the sum of its proper divisors (14916031857).

20340043335 is a wasteful number, since it uses less digits than its factorization.

20340043335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452000974 (or 452000971 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

Adding to 20340043335 its reverse (53334004302), we get a palindrome (73674047637).

The spelling of 20340043335 in words is "twenty billion, three hundred forty million, forty-three thousand, three hundred thirty-five".