243301102220 has 48 divisors (see below), whose sum is σ = 576600746400. Its totient is φ = 85422328320.

The previous prime is 243301102189. The next prime is 243301102273. The reversal of 243301102220 is 22201103342.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 243301102192 and 243301102201.

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, 19061105 + ... + 19073864.

It is an arithmetic number, because the mean of its divisors is an integer number (12012515550).

Almost surely, 2^243301102220 is an apocalyptic number.

243301102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243301102220 is an abundant number, since it is smaller than the sum of its proper divisors (333299644180).

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

243301102220 is a wasteful number, since it uses less digits than its factorization.

243301102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38135018 (or 38135016 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 243301102220 its reverse (22201103342), we get a palindrome (265502205562).

The spelling of 243301102220 in words is "two hundred forty-three billion, three hundred one million, one hundred two thousand, two hundred twenty".