24421432220 has 48 divisors (see below), whose sum is σ = 53138423520. Its totient is φ = 9421790976.

The previous prime is 24421432219. The next prime is 24421432267. The reversal of 24421432220 is 2223412442.

It is a self number, because there is not a number n which added to its sum of digits gives 24421432220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132707 + ... + 257786.

It is an arithmetic number, because the mean of its divisors is an integer number (1107050490).

Almost surely, 2^24421432220 is an apocalyptic number.

24421432220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24421432220 is an abundant number, since it is smaller than the sum of its proper divisors (28716991300).

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

24421432220 is a wasteful number, since it uses less digits than its factorization.

24421432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390614 (or 390612 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 24421432220 its reverse (2223412442), we get a palindrome (26644844662).

The spelling of 24421432220 in words is "twenty-four billion, four hundred twenty-one million, four hundred thirty-two thousand, two hundred twenty".