20191093124 has 12 divisors (see below), whose sum is σ = 35339539200. Its totient is φ = 10094081928.

The previous prime is 20191093121. The next prime is 20191093187. The reversal of 20191093124 is 42139019102.

It is not an unprimeable number, because it can be changed into a prime (20191093121) 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 3 ways as a sum of consecutive naturals, for example, 334844 + ... + 390515.

It is an arithmetic number, because the mean of its divisors is an integer number (2944961600).

Almost surely, 2^20191093124 is an apocalyptic number.

It is an amenable number.

20191093124 is a deficient number, since it is larger than the sum of its proper divisors (15148446076).

20191093124 is a wasteful number, since it uses less digits than its factorization.

20191093124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732322 (or 732320 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 20191093124 in words is "twenty billion, one hundred ninety-one million, ninety-three thousand, one hundred twenty-four".