20043234240039 has 24 divisors (see below), whose sum is σ = 29163107516400. Its totient is φ = 13264718681088.

The previous prime is 20043234239999. The next prime is 20043234240067. The reversal of 20043234240039 is 93004243234002.

20043234240039 is a `hidden beast` number, since 200 + 4 + 3 + 2 + 3 + 42 + 400 + 3 + 9 = 666.

It is not a de Polignac number, because 20043234240039 - 2²⁹ = 20042697369127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20043234239985 and 20043234240012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043234240079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11792677 + ... + 13384830.

It is an arithmetic number, because the mean of its divisors is an integer number (1215129479850).

Almost surely, 2^{20043234240039} is an apocalyptic number.

20043234240039 is a deficient number, since it is larger than the sum of its proper divisors (9119873276361).

20043234240039 is a wasteful number, since it uses less digits than its factorization.

20043234240039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25178159 (or 25178156 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The spelling of 20043234240039 in words is "twenty trillion, forty-three billion, two hundred thirty-four million, two hundred forty thousand, thirty-nine".