20924232 has 64 divisors (see below), whose sum is σ = 60825600. Its totient is φ = 5874240.

The previous prime is 20924231. The next prime is 20924249. The reversal of 20924232 is 23242902.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20924231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8857 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (950400).

Almost surely, 2^20924232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20924232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30412800).

20924232 is an abundant number, since it is smaller than the sum of its proper divisors (39901368).

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

20924232 is a wasteful number, since it uses less digits than its factorization.

20924232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20924232 is about 4574.3012581158. The cubic root of 20924232 is about 275.5602111693.

The spelling of 20924232 in words is "twenty million, nine hundred twenty-four thousand, two hundred thirty-two".