24239420 has 24 divisors (see below), whose sum is σ = 51374400. Its totient is φ = 9605952.

The previous prime is 24239419. The next prime is 24239429. The reversal of 24239420 is 2493242.

It is a self number, because there is not a number n which added to its sum of digits gives 24239420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24239429) 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, 3380 + ... + 7739.

It is an arithmetic number, because the mean of its divisors is an integer number (2140600).

Almost surely, 2^24239420 is an apocalyptic number.

24239420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24239420 is an abundant number, since it is smaller than the sum of its proper divisors (27134980).

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

24239420 is a wasteful number, since it uses less digits than its factorization.

24239420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11237 (or 11235 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 24239420 is about 4923.3545474605. The cubic root of 24239420 is about 289.4059181838.

The spelling of 24239420 in words is "twenty-four million, two hundred thirty-nine thousand, four hundred twenty".