20324135 has 8 divisors (see below), whose sum is σ = 26265120. Its totient is φ = 15008544.

The previous prime is 20324131. The next prime is 20324141. The reversal of 20324135 is 53142302.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20324135 - 2² = 20324131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156275 + ... + 156404.

It is an arithmetic number, because the mean of its divisors is an integer number (3283140).

Almost surely, 2^20324135 is an apocalyptic number.

20324135 is a deficient number, since it is larger than the sum of its proper divisors (5940985).

20324135 is a wasteful number, since it uses less digits than its factorization.

20324135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312697.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20324135 is about 4508.2296968988. The cubic root of 20324135 is about 272.9003066419.

Adding to 20324135 its reverse (53142302), we get a palindrome (73466437).

The spelling of 20324135 in words is "twenty million, three hundred twenty-four thousand, one hundred thirty-five".