243433220041220 has 24 divisors (see below), whose sum is σ = 557683376822208. Its totient is φ = 88521170924000.

The previous prime is 243433220041129. The next prime is 243433220041237. The reversal of 243433220041220 is 22140022334342.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553257318056 + ... + 553257318495.

It is an arithmetic number, because the mean of its divisors is an integer number (23236807367592).

Almost surely, 2^{243433220041220} is an apocalyptic number.

243433220041220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243433220041220 is an abundant number, since it is smaller than the sum of its proper divisors (314250156780988).

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

243433220041220 is a wasteful number, since it uses less digits than its factorization.

243433220041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106514636571 (or 1106514636569 counting only the distinct ones).

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

Adding to 243433220041220 its reverse (22140022334342), we get a palindrome (265573242375562).

The spelling of 243433220041220 in words is "two hundred forty-three trillion, four hundred thirty-three billion, two hundred twenty million, forty-one thousand, two hundred twenty".