16020201117 has 4 divisors (see below), whose sum is σ = 21360268160. Its totient is φ = 10680134076.

The previous prime is 16020201089. The next prime is 16020201137. The reversal of 16020201117 is 71110202061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16020201117 - 2¹⁸ = 16019938973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16020201093 and 16020201102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16020201137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670033517 + ... + 2670033522.

It is an arithmetic number, because the mean of its divisors is an integer number (5340067040).

Almost surely, 2^16020201117 is an apocalyptic number.

It is an amenable number.

16020201117 is a deficient number, since it is larger than the sum of its proper divisors (5340067043).

16020201117 is an equidigital number, since it uses as much as digits as its factorization.

16020201117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340067042.

The product of its (nonzero) digits is 168, while the sum is 21.

Adding to 16020201117 its reverse (71110202061), we get a palindrome (87130403178).

The spelling of 16020201117 in words is "sixteen billion, twenty million, two hundred one thousand, one hundred seventeen".