20324196 has 60 divisors (see below), whose sum is σ = 53615100. Its totient is φ = 6713280.

The previous prime is 20324179. The next prime is 20324201. The reversal of 20324196 is 69142302.

It can be written as a sum of positive squares in 2 ways, for example, as 876096 + 19448100 = 936^2 + 4410^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 48066 + ... + 48486.

It is an arithmetic number, because the mean of its divisors is an integer number (893585).

Almost surely, 2^20324196 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 20324196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26807550).

20324196 is an abundant number, since it is smaller than the sum of its proper divisors (33290904).

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

20324196 is a wasteful number, since it uses less digits than its factorization.

20324196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20324196 is about 4508.2364622988. The cubic root of 20324196 is about 272.9005796654.

Adding to 20324196 its reverse (69142302), we get a palindrome (89466498).

The spelling of 20324196 in words is "twenty million, three hundred twenty-four thousand, one hundred ninety-six".