20003539596347 has 8 divisors (see below), whose sum is σ = 20496155782032. Its totient is φ = 19511148409600.

The previous prime is 20003539596323. The next prime is 20003539596377. The reversal of 20003539596347 is 74369593530002.

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 20003539596347 - 2⁶ = 20003539596283 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20003539596292 and 20003539596301.

It is not an unprimeable number, because it can be changed into a prime (20003539596377) 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, 56069729 + ... + 56425362.

It is an arithmetic number, because the mean of its divisors is an integer number (2562019472754).

Almost surely, 2^{20003539596347} is an apocalyptic number.

20003539596347 is a deficient number, since it is larger than the sum of its proper divisors (492616185685).

20003539596347 is a wasteful number, since it uses less digits than its factorization.

20003539596347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112499469.

The product of its (nonzero) digits is 18370800, while the sum is 56.

The spelling of 20003539596347 in words is "twenty trillion, three billion, five hundred thirty-nine million, five hundred ninety-six thousand, three hundred forty-seven".