20648032 has 24 divisors (see below), whose sum is σ = 40817952. Its totient is φ = 10281600.

The previous prime is 20648027. The next prime is 20648039. The reversal of 20648032 is 23084602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20647988 and 20648006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20648039) 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, 7482 + ... + 9862.

It is an arithmetic number, because the mean of its divisors is an integer number (1700748).

Almost surely, 2^20648032 is an apocalyptic number.

It is an amenable number.

20648032 is a deficient number, since it is larger than the sum of its proper divisors (20169920).

20648032 is a wasteful number, since it uses less digits than its factorization.

20648032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662 (or 2654 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20648032 is about 4544.0105633680. The cubic root of 20648032 is about 274.3423713152.

The spelling of 20648032 in words is "twenty million, six hundred forty-eight thousand, thirty-two".