243434413220 has 48 divisors (see below), whose sum is σ = 515552905728. Its totient is φ = 96550464000.

The previous prime is 243434413193. The next prime is 243434413223. The reversal of 243434413220 is 22314434342.

243434413220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243434413223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010732 + ... + 1228188.

It is an arithmetic number, because the mean of its divisors is an integer number (10740685536).

Almost surely, 2^243434413220 is an apocalyptic number.

243434413220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243434413220 is an abundant number, since it is smaller than the sum of its proper divisors (272118492508).

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

243434413220 is a wasteful number, since it uses less digits than its factorization.

243434413220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217940 (or 217938 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 243434413220 its reverse (22314434342), we get a palindrome (265748847562).

The spelling of 243434413220 in words is "two hundred forty-three billion, four hundred thirty-four million, four hundred thirteen thousand, two hundred twenty".