20332396 has 12 divisors (see below), whose sum is σ = 40664848. Its totient is φ = 8713872.

The previous prime is 20332369. The next prime is 20332397. The reversal of 20332396 is 69323302.

20332396 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 726157 = 20332396 / (2 + 0 + 3 + 3 + 2 + 3 + 9 + 6).

It is not an unprimeable number, because it can be changed into a prime (20332397) 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, 363051 + ... + 363106.

Almost surely, 2^20332396 is an apocalyptic number.

It is an amenable number.

20332396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20332396 is a wasteful number, since it uses less digits than its factorization.

20332396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726168 (or 726166 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 20332396 is about 4509.1458171144. The cubic root of 20332396 is about 272.9372762194.

Adding to 20332396 its reverse (69323302), we get a palindrome (89655698).

The spelling of 20332396 in words is "twenty million, three hundred thirty-two thousand, three hundred ninety-six".