24120920 has 16 divisors (see below), whose sum is σ = 54272160. Its totient is φ = 9648352.

The previous prime is 24120881. The next prime is 24120923. The reversal of 24120920 is 2902142.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 24120892 and 24120901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24120923) 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, 301472 + ... + 301551.

It is an arithmetic number, because the mean of its divisors is an integer number (3392010).

Almost surely, 2^24120920 is an apocalyptic number.

24120920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24120920 is an abundant number, since it is smaller than the sum of its proper divisors (30151240).

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

24120920 is a wasteful number, since it uses less digits than its factorization.

24120920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603034 (or 603030 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 24120920 is about 4911.3053254710. The cubic root of 24120920 is about 288.9335383541.

The spelling of 24120920 in words is "twenty-four million, one hundred twenty thousand, nine hundred twenty".