20132333191 has 4 divisors (see below), whose sum is σ = 20150787384. Its totient is φ = 20113879000.

The previous prime is 20132333167. The next prime is 20132333203. The reversal of 20132333191 is 19133323102.

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 20132333191 - 2¹³ = 20132324999 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 (20132333141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9225460 + ... + 9227641.

It is an arithmetic number, because the mean of its divisors is an integer number (5037696846).

Almost surely, 2^20132333191 is an apocalyptic number.

20132333191 is a deficient number, since it is larger than the sum of its proper divisors (18454193).

20132333191 is a wasteful number, since it uses less digits than its factorization.

20132333191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18454192.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 20132333191 its reverse (19133323102), we get a palindrome (39265656293).

The spelling of 20132333191 in words is "twenty billion, one hundred thirty-two million, three hundred thirty-three thousand, one hundred ninety-one".