20608098439 has 8 divisors (see below), whose sum is σ = 21425922560. Its totient is φ = 19799839800.

The previous prime is 20608098403. The next prime is 20608098481. The reversal of 20608098439 is 93489080602.

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 20608098439 - 2⁷ = 20608098311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20608098392 and 20608098401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20608098239) 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, 2386977 + ... + 2395594.

It is an arithmetic number, because the mean of its divisors is an integer number (2678240320).

Almost surely, 2^20608098439 is an apocalyptic number.

20608098439 is a deficient number, since it is larger than the sum of its proper divisors (817824121).

20608098439 is a wasteful number, since it uses less digits than its factorization.

20608098439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4782741.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 20608098439 in words is "twenty billion, six hundred eight million, ninety-eight thousand, four hundred thirty-nine".