20560328 has 16 divisors (see below), whose sum is σ = 38599260. Its totient is φ = 10267200.

The previous prime is 20560301. The next prime is 20560339. The reversal of 20560328 is 82306502.

It can be written as a sum of positive squares in 2 ways, for example, as 17455684 + 3104644 = 4178^2 + 1762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20560297 and 20560306.

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 3 ways as a sum of consecutive naturals, for example, 10118 + ... + 11978.

Almost surely, 2^20560328 is an apocalyptic number.

It is an amenable number.

20560328 is a deficient number, since it is larger than the sum of its proper divisors (18038932).

20560328 is a wasteful number, since it uses less digits than its factorization.

20560328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248 (or 3244 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 20560328 is about 4534.3497880071. The cubic root of 20560328 is about 273.9533904059.

The spelling of 20560328 in words is "twenty million, five hundred sixty thousand, three hundred twenty-eight".