20334132 has 96 divisors (see below), whose sum is σ = 64915200. Its totient is φ = 5360256.

The previous prime is 20334121. The next prime is 20334137. The reversal of 20334132 is 23143302.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20334137) 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 31 ways as a sum of consecutive naturals, for example, 8794 + ... + 10862.

It is an arithmetic number, because the mean of its divisors is an integer number (676200).

Almost surely, 2^20334132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20334132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32457600).

20334132 is an abundant number, since it is smaller than the sum of its proper divisors (44581068).

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

20334132 is a wasteful number, since it uses less digits than its factorization.

20334132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 20334132 is about 4509.3383106616. The cubic root of 20334132 is about 272.9450438829.

Adding to 20334132 its reverse (23143302), we get a palindrome (43477434).

The spelling of 20334132 in words is "twenty million, three hundred thirty-four thousand, one hundred thirty-two".