243332120 has 16 divisors (see below), whose sum is σ = 547497360. Its totient is φ = 97332832.

The previous prime is 243332099. The next prime is 243332143. The reversal of 243332120 is 21233342.

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 = 243332092 and 243332101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3041612 + ... + 3041691.

It is an arithmetic number, because the mean of its divisors is an integer number (34218585).

Almost surely, 2^243332120 is an apocalyptic number.

243332120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243332120 is an abundant number, since it is smaller than the sum of its proper divisors (304165240).

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

243332120 is a wasteful number, since it uses less digits than its factorization.

243332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6083314 (or 6083310 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 243332120 is about 15599.1063846619. The cubic root of 243332120 is about 624.3093127363.

Adding to 243332120 its reverse (21233342), we get a palindrome (264565462).

The spelling of 243332120 in words is "two hundred forty-three million, three hundred thirty-two thousand, one hundred twenty".