20560332 has 24 divisors (see below), whose sum is σ = 51664816. Its totient is φ = 6326208.

The previous prime is 20560301. The next prime is 20560339. The reversal of 20560332 is 23306502.

It is a junction number, because it is equal to n+sod(n) for n = 20560299 and 20560308.

It is not an unprimeable number, because it can be changed into a prime (20560339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65743 + ... + 66054.

Almost surely, 2^20560332 is an apocalyptic number.

It is an amenable number.

20560332 is an abundant number, since it is smaller than the sum of its proper divisors (31104484).

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

20560332 is a wasteful number, since it uses less digits than its factorization.

20560332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131817 (or 131815 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 20560332 is about 4534.3502290846. The cubic root of 20560332 is about 273.9534081717.

Adding to 20560332 its reverse (23306502), we get a palindrome (43866834).

The spelling of 20560332 in words is "twenty million, five hundred sixty thousand, three hundred thirty-two".