20318096 has 20 divisors (see below), whose sum is σ = 40724700. Its totient is φ = 9808512.

The previous prime is 20318093. The next prime is 20318101. The reversal of 20318096 is 69081302.

It can be written as a sum of positive squares in 2 ways, for example, as 14167696 + 6150400 = 3764^2 + 2480^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (20318093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21431 + ... + 22358.

It is an arithmetic number, because the mean of its divisors is an integer number (2036235).

Almost surely, 2^20318096 is an apocalyptic number.

It is an amenable number.

20318096 is an abundant number, since it is smaller than the sum of its proper divisors (20406604).

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

20318096 is a wasteful number, since it uses less digits than its factorization.

20318096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43826 (or 43820 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 20318096 is about 4507.5598720372. The cubic root of 20318096 is about 272.8732746065.

Adding to 20318096 its reverse (69081302), we get a palindrome (89399398).

The spelling of 20318096 in words is "twenty million, three hundred eighteen thousand, ninety-six".