20932448 has 24 divisors (see below), whose sum is σ = 41468112. Its totient is φ = 10400896.

The previous prime is 20932447. The next prime is 20932451. The reversal of 20932448 is 84423902.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20932441) 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, 3386 + ... + 7302.

It is an arithmetic number, because the mean of its divisors is an integer number (1727838).

Almost surely, 2^20932448 is an apocalyptic number.

It is an amenable number.

20932448 is a deficient number, since it is larger than the sum of its proper divisors (20535664).

20932448 is a wasteful number, since it uses less digits than its factorization.

20932448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 20932448 is about 4575.1992306347. The cubic root of 20932448 is about 275.5962731290.

The spelling of 20932448 in words is "twenty million, nine hundred thirty-two thousand, four hundred forty-eight".