24420156 has 12 divisors (see below), whose sum is σ = 56980392. Its totient is φ = 8140048.

The previous prime is 24420139. The next prime is 24420203. The reversal of 24420156 is 65102442.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017495 + ... + 1017518.

It is an arithmetic number, because the mean of its divisors is an integer number (4748366).

Almost surely, 2^24420156 is an apocalyptic number.

It is an amenable number.

24420156 is an abundant number, since it is smaller than the sum of its proper divisors (32560236).

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

24420156 is a wasteful number, since it uses less digits than its factorization.

24420156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2035020 (or 2035018 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 24420156 is about 4941.6754243880. The cubic root of 24420156 is about 290.1234353648.

Adding to 24420156 its reverse (65102442), we get a palindrome (89522598).

The spelling of 24420156 in words is "twenty-four million, four hundred twenty thousand, one hundred fifty-six".