20110130191 has 8 divisors (see below), whose sum is σ = 20372646960. Its totient is φ = 19848426048.

The previous prime is 20110130179. The next prime is 20110130197. The reversal of 20110130191 is 19103101102.

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 20110130191 - 2¹⁹ = 20109605903 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 (20110130197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153261 + ... + 252406.

It is an arithmetic number, because the mean of its divisors is an integer number (2546580870).

Almost surely, 2^20110130191 is an apocalyptic number.

20110130191 is a deficient number, since it is larger than the sum of its proper divisors (262516769).

20110130191 is an equidigital number, since it uses as much as digits as its factorization.

20110130191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406313.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 20110130191 its reverse (19103101102), we get a palindrome (39213231293).

The spelling of 20110130191 in words is "twenty billion, one hundred ten million, one hundred thirty thousand, one hundred ninety-one".