20352328 has 8 divisors (see below), whose sum is σ = 38160630. Its totient is φ = 10176160.

The previous prime is 20352323. The next prime is 20352329. The reversal of 20352328 is 82325302.

It can be written as a sum of positive squares in only one way, i.e., 10227204 + 10125124 = 3198^2 + 3182^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (20352323) by changing a digit.

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 as a sum of consecutive naturals, namely, 1272013 + ... + 1272028.

Almost surely, 2^20352328 is an apocalyptic number.

It is an amenable number.

20352328 is a deficient number, since it is larger than the sum of its proper divisors (17808302).

20352328 is a wasteful number, since it uses less digits than its factorization.

20352328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544047 (or 2544043 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 20352328 is about 4511.3554504162. The cubic root of 20352328 is about 273.0264345766.

The spelling of 20352328 in words is "twenty million, three hundred fifty-two thousand, three hundred twenty-eight".