243064020 has 24 divisors (see below), whose sum is σ = 680579424. Its totient is φ = 64817056.

The previous prime is 243064013. The next prime is 243064021. The reversal of 243064020 is 20460342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243064021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025474 + ... + 2025593.

It is an arithmetic number, because the mean of its divisors is an integer number (28357476).

Almost surely, 2^243064020 is an apocalyptic number.

243064020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243064020 is an abundant number, since it is smaller than the sum of its proper divisors (437515404).

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

243064020 is a wasteful number, since it uses less digits than its factorization.

243064020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051079 (or 4051077 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 243064020 is about 15590.5105753468. The cubic root of 243064020 is about 624.0799433244.

The spelling of 243064020 in words is "two hundred forty-three million, sixty-four thousand, twenty".