20648882 has 16 divisors (see below), whose sum is σ = 31413312. Its totient is φ = 10179120.

The previous prime is 20648861. The next prime is 20648891. The reversal of 20648882 is 28884602.

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, 70328 + ... + 70620.

It is an arithmetic number, because the mean of its divisors is an integer number (1963332).

Almost surely, 2^20648882 is an apocalyptic number.

20648882 is a deficient number, since it is larger than the sum of its proper divisors (10764430).

20648882 is a wasteful number, since it uses less digits than its factorization.

20648882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 20648882 is about 4544.1040921176. The cubic root of 20648882 is about 274.3461358033.

The spelling of 20648882 in words is "twenty million, six hundred forty-eight thousand, eight hundred eighty-two".