20335132 has 12 divisors (see below), whose sum is σ = 36734656. Its totient is φ = 9839520.

The previous prime is 20335123. The next prime is 20335157. The reversal of 20335132 is 23153302.

It is a congruent number.

It is an unprimeable number.

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, 81873 + ... + 82120.

Almost surely, 2^20335132 is an apocalyptic number.

It is an amenable number.

20335132 is a deficient number, since it is larger than the sum of its proper divisors (16399524).

20335132 is a wasteful number, since it uses less digits than its factorization.

20335132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164028 (or 164026 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 20335132 is about 4509.4491903114. The cubic root of 20335132 is about 272.9495181427.

Adding to 20335132 its reverse (23153302), we get a palindrome (43488434).

The spelling of 20335132 in words is "twenty million, three hundred thirty-five thousand, one hundred thirty-two".