24920 has 32 divisors (see below), whose sum is σ = 64800. Its totient is φ = 8448.

The previous prime is 24919. The next prime is 24923. The reversal of 24920 is 2942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24923) 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, 236 + ... + 324.

It is an arithmetic number, because the mean of its divisors is an integer number (2025).

2²⁴⁹²⁰ is an apocalyptic number.

24920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32400).

24920 is an abundant number, since it is smaller than the sum of its proper divisors (39880).

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

24920 is a wasteful number, since it uses less digits than its factorization.

24920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 24920 is about 157.8606980854. The cubic root of 24920 is about 29.2089545315.

The spelling of 24920 in words is "twenty-four thousand, nine hundred twenty".