24243420 has 48 divisors (see below), whose sum is σ = 70227360. Its totient is φ = 6241536.

The previous prime is 24243409. The next prime is 24243421. The reversal of 24243420 is 2434242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24243421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5227 + ... + 8706.

It is an arithmetic number, because the mean of its divisors is an integer number (1463070).

Almost surely, 2^24243420 is an apocalyptic number.

24243420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24243420 is an abundant number, since it is smaller than the sum of its proper divisors (45983940).

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

24243420 is a wasteful number, since it uses less digits than its factorization.

24243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974 (or 13972 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 24243420 is about 4923.7607577948. The cubic root of 24243420 is about 289.4218366066.

Adding to 24243420 its reverse (2434242), we get a palindrome (26677662).

The spelling of 24243420 in words is "twenty-four million, two hundred forty-three thousand, four hundred twenty".