20648852 has 24 divisors (see below), whose sum is σ = 42631680. Its totient is φ = 8563680.

The previous prime is 20648843. The next prime is 20648857. The reversal of 20648852 is 25884602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20648857) 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, 11027 + ... + 12762.

It is an arithmetic number, because the mean of its divisors is an integer number (1776320).

Almost surely, 2^20648852 is an apocalyptic number.

It is an amenable number.

20648852 is an abundant number, since it is smaller than the sum of its proper divisors (21982828).

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

20648852 is a wasteful number, since it uses less digits than its factorization.

20648852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23831 (or 23829 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 20648852 is about 4544.1007911357. The cubic root of 20648852 is about 274.3460029408.

The spelling of 20648852 in words is "twenty million, six hundred forty-eight thousand, eight hundred fifty-two".