20295024191 has 4 divisors (see below), whose sum is σ = 21856179912. Its totient is φ = 18733868472.

The previous prime is 20295024157. The next prime is 20295024193. The reversal of 20295024191 is 19142059202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20295024191 - 2³⁴ = 3115155007 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 (20295024193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780577841 + ... + 780577866.

It is an arithmetic number, because the mean of its divisors is an integer number (5464044978).

Almost surely, 2^20295024191 is an apocalyptic number.

20295024191 is a deficient number, since it is larger than the sum of its proper divisors (1561155721).

20295024191 is a wasteful number, since it uses less digits than its factorization.

20295024191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561155720.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 20295024191 in words is "twenty billion, two hundred ninety-five million, twenty-four thousand, one hundred ninety-one".