20560232 has 32 divisors (see below), whose sum is σ = 48064320. Its totient is φ = 8010240.

The previous prime is 20560213. The next prime is 20560247. The reversal of 20560232 is 23206502.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 16073 + ... + 17304.

It is an arithmetic number, because the mean of its divisors is an integer number (1502010).

Almost surely, 2^20560232 is an apocalyptic number.

20560232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20560232 is an abundant number, since it is smaller than the sum of its proper divisors (27504088).

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

20560232 is a wasteful number, since it uses less digits than its factorization.

20560232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33401 (or 33397 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20560232 is about 4534.3392021330. The cubic root of 20560232 is about 273.9529640255.

Adding to 20560232 its reverse (23206502), we get a palindrome (43766734).

The spelling of 20560232 in words is "twenty million, five hundred sixty thousand, two hundred thirty-two".