243120102220 has 24 divisors (see below), whose sum is σ = 520185277584. Its totient is φ = 95413171776.

The previous prime is 243120102217. The next prime is 243120102223. The reversal of 243120102220 is 22201021342.

243120102220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (243120102217) and next prime (243120102223).

It is not an unprimeable number, because it can be changed into a prime (243120102223) 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 7 ways as a sum of consecutive naturals, for example, 114678234 + ... + 114680353.

It is an arithmetic number, because the mean of its divisors is an integer number (21674386566).

Almost surely, 2^243120102220 is an apocalyptic number.

243120102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243120102220 is an abundant number, since it is smaller than the sum of its proper divisors (277065175364).

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

243120102220 is a wasteful number, since it uses less digits than its factorization.

243120102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229358649 (or 229358647 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 243120102220 its reverse (22201021342), we get a palindrome (265321123562).

The spelling of 243120102220 in words is "two hundred forty-three billion, one hundred twenty million, one hundred two thousand, two hundred twenty".