20191829195 has 16 divisors (see below), whose sum is σ = 24629425920. Its totient is φ = 15888046944.

The previous prime is 20191829183. The next prime is 20191829197. The reversal of 20191829195 is 59192819102.

It is a cyclic number.

It is not a de Polignac number, because 20191829195 - 2⁸ = 20191828939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20191829197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175034 + ... + 266496.

It is an arithmetic number, because the mean of its divisors is an integer number (1539339120).

Almost surely, 2^20191829195 is an apocalyptic number.

20191829195 is a deficient number, since it is larger than the sum of its proper divisors (4437596725).

20191829195 is an equidigital number, since it uses as much as digits as its factorization.

20191829195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92194.

The product of its (nonzero) digits is 116640, while the sum is 47.

The spelling of 20191829195 in words is "twenty billion, one hundred ninety-one million, eight hundred twenty-nine thousand, one hundred ninety-five".