220232424 has 16 divisors (see below), whose sum is σ = 550581120. Its totient is φ = 73410800.

The previous prime is 220232381. The next prime is 220232461. The reversal of 220232424 is 424232022.

It is a self number, because there is not a number n which added to its sum of digits gives 220232424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4588152 + ... + 4588199.

It is an arithmetic number, because the mean of its divisors is an integer number (34411320).

Almost surely, 2^220232424 is an apocalyptic number.

220232424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220232424 is an abundant number, since it is smaller than the sum of its proper divisors (330348696).

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

220232424 is a wasteful number, since it uses less digits than its factorization.

220232424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9176360 (or 9176356 counting only the distinct ones).

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

The square root of 220232424 is about 14840.2299173564. The cubic root of 220232424 is about 603.8935897216.

Adding to 220232424 its reverse (424232022), we get a palindrome (644464446).

The spelling of 220232424 in words is "two hundred twenty million, two hundred thirty-two thousand, four hundred twenty-four".