20133832 has 16 divisors (see below), whose sum is σ = 39392640. Its totient is φ = 9629136.

The previous prime is 20133823. The next prime is 20133833. The reversal of 20133832 is 23833102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20133833) 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, 54528 + ... + 54895.

It is an arithmetic number, because the mean of its divisors is an integer number (2462040).

Almost surely, 2^20133832 is an apocalyptic number.

It is an amenable number.

20133832 is a deficient number, since it is larger than the sum of its proper divisors (19258808).

20133832 is a wasteful number, since it uses less digits than its factorization.

20133832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109452 (or 109448 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20133832 is about 4487.0738794898. The cubic root of 20133832 is about 272.0458760567.

Adding to 20133832 its reverse (23833102), we get a palindrome (43966934).

The spelling of 20133832 in words is "twenty million, one hundred thirty-three thousand, eight hundred thirty-two".