20200936191 has 32 divisors (see below), whose sum is σ = 28033413120. Its totient is φ = 12929789664.

The previous prime is 20200936183. The next prime is 20200936199. The reversal of 20200936191 is 19163900202.

It is an interprime number because it is at equal distance from previous prime (20200936183) and next prime (20200936199).

It is not a de Polignac number, because 20200936191 - 2³ = 20200936183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200936199) 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 31 ways as a sum of consecutive naturals, for example, 4348516 + ... + 4353158.

It is an arithmetic number, because the mean of its divisors is an integer number (876044160).

Almost surely, 2^20200936191 is an apocalyptic number.

20200936191 is a deficient number, since it is larger than the sum of its proper divisors (7832476929).

20200936191 is a wasteful number, since it uses less digits than its factorization.

20200936191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5275.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 20200936191 in words is "twenty billion, two hundred million, nine hundred thirty-six thousand, one hundred ninety-one".