20003565471113 has 8 divisors (see below), whose sum is σ = 22861245555840. Its totient is φ = 17145892355040.

The previous prime is 20003565471101. The next prime is 20003565471173. The reversal of 20003565471113 is 31117456530002.

It is a happy number.

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 20003565471113 - 2⁶ = 20003565471049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003565471173) 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, 8164508 + ... + 10327938.

It is an arithmetic number, because the mean of its divisors is an integer number (2857655694480).

Almost surely, 2^{20003565471113} is an apocalyptic number.

It is an amenable number.

20003565471113 is a deficient number, since it is larger than the sum of its proper divisors (2857680084727).

20003565471113 is a wasteful number, since it uses less digits than its factorization.

20003565471113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484327.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 20003565471113 in words is "twenty trillion, three billion, five hundred sixty-five million, four hundred seventy-one thousand, one hundred thirteen".