20340214043 has 4 divisors (see below), whose sum is σ = 21536697240. Its totient is φ = 19143730848.

The previous prime is 20340214031. The next prime is 20340214049. The reversal of 20340214043 is 34041204302.

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 20340214043 - 2²⁴ = 20323436827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340214049) 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, 598241573 + ... + 598241606.

It is an arithmetic number, because the mean of its divisors is an integer number (5384174310).

Almost surely, 2^20340214043 is an apocalyptic number.

20340214043 is a deficient number, since it is larger than the sum of its proper divisors (1196483197).

20340214043 is a wasteful number, since it uses less digits than its factorization.

20340214043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196483196.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 20340214043 its reverse (34041204302), we get a palindrome (54381418345).

The spelling of 20340214043 in words is "twenty billion, three hundred forty million, two hundred fourteen thousand, forty-three".