20004231439 has 8 divisors (see below), whose sum is σ = 20998978560. Its totient is φ = 19019900856.

The previous prime is 20004231421. The next prime is 20004231487. The reversal of 20004231439 is 93413240002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20004231439 - 2¹³ = 20004223247 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 (20004231539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600199 + ... + 2607880.

It is an arithmetic number, because the mean of its divisors is an integer number (2624872320).

Almost surely, 2^20004231439 is an apocalyptic number.

20004231439 is a deficient number, since it is larger than the sum of its proper divisors (994747121).

20004231439 is a wasteful number, since it uses less digits than its factorization.

20004231439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5208269.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20004231439 in words is "twenty billion, four million, two hundred thirty-one thousand, four hundred thirty-nine".