20319589839 has 8 divisors (see below), whose sum is σ = 27157141552. Its totient is φ = 13514215680.

The previous prime is 20319589831. The next prime is 20319589841. The reversal of 20319589839 is 93898591302.

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

It is not a de Polignac number, because 20319589839 - 2³ = 20319589831 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 (20319589831) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8042914 + ... + 8045439.

It is an arithmetic number, because the mean of its divisors is an integer number (3394642694).

Almost surely, 2^20319589839 is an apocalyptic number.

20319589839 is a deficient number, since it is larger than the sum of its proper divisors (6837551713).

20319589839 is a wasteful number, since it uses less digits than its factorization.

20319589839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16088777.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 20319589839 in words is "twenty billion, three hundred nineteen million, five hundred eighty-nine thousand, eight hundred thirty-nine".