20340014424223 has 16 divisors (see below), whose sum is σ = 23732513947296. Its totient is φ = 17260010127360.

The previous prime is 20340014424209. The next prime is 20340014424239. The reversal of 20340014424223 is 32242441004302.

It is a de Polignac number, because none of the positive numbers 2^k-20340014424223 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 (20340014424283) 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, 1070179618 + ... + 1070198623.

It is an arithmetic number, because the mean of its divisors is an integer number (1483282121706).

Almost surely, 2^{20340014424223} is an apocalyptic number.

20340014424223 is a deficient number, since it is larger than the sum of its proper divisors (3392499523073).

20340014424223 is a wasteful number, since it uses less digits than its factorization.

20340014424223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140378314.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20340014424223 its reverse (32242441004302), we get a palindrome (52582455428525).

The spelling of 20340014424223 in words is "twenty trillion, three hundred forty billion, fourteen million, four hundred twenty-four thousand, two hundred twenty-three".