20092009191 has 8 divisors (see below), whose sum is σ = 27954099840. Its totient is φ = 12812295672.

The previous prime is 20092009177. The next prime is 20092009193. The reversal of 20092009191 is 19190029002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20092009191 - 2⁵ = 20092009159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092009193) 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, 145594201 + ... + 145594338.

It is an arithmetic number, because the mean of its divisors is an integer number (3494262480).

Almost surely, 2^20092009191 is an apocalyptic number.

20092009191 is a deficient number, since it is larger than the sum of its proper divisors (7862090649).

20092009191 is a wasteful number, since it uses less digits than its factorization.

20092009191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291188565.

The product of its (nonzero) digits is 2916, while the sum is 33.

The spelling of 20092009191 in words is "twenty billion, ninety-two million, nine thousand, one hundred ninety-one".