20334432 has 24 divisors (see below), whose sum is σ = 53378136. Its totient is φ = 6778112.

The previous prime is 20334403. The next prime is 20334437. The reversal of 20334432 is 23443302.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 20334399 and 20334408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105813 + ... + 106004.

It is an arithmetic number, because the mean of its divisors is an integer number (2224089).

Almost surely, 2^20334432 is an apocalyptic number.

It is an amenable number.

20334432 is an abundant number, since it is smaller than the sum of its proper divisors (33043704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20334432 is a wasteful number, since it uses less digits than its factorization.

20334432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211830 (or 211822 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 20334432 is about 4509.3715748428. The cubic root of 20334432 is about 272.9463861762.

Adding to 20334432 its reverse (23443302), we get a palindrome (43777734).

The spelling of 20334432 in words is "twenty million, three hundred thirty-four thousand, four hundred thirty-two".