20132690833 has 4 divisors (see below), whose sum is σ = 21192306160. Its totient is φ = 19073075508.

The previous prime is 20132690821. The next prime is 20132690839. The reversal of 20132690833 is 33809623102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20132690833 - 2⁹ = 20132690321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132690792 and 20132690801.

It is not an unprimeable number, because it can be changed into a prime (20132690839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529807635 + ... + 529807672.

It is an arithmetic number, because the mean of its divisors is an integer number (5298076540).

Almost surely, 2^20132690833 is an apocalyptic number.

It is an amenable number.

20132690833 is a deficient number, since it is larger than the sum of its proper divisors (1059615327).

20132690833 is a wasteful number, since it uses less digits than its factorization.

20132690833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059615326.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 20132690833 in words is "twenty billion, one hundred thirty-two million, six hundred ninety thousand, eight hundred thirty-three".