4243434310020 has 96 divisors (see below), whose sum is σ = 11895887646720. Its totient is φ = 1130223974400.

The previous prime is 4243434310007. The next prime is 4243434310021. The reversal of 4243434310020 is 200134343424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 4243434310020.

It is not an unprimeable number, because it can be changed into a prime (4243434310021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253649016 + ... + 253665744.

It is an arithmetic number, because the mean of its divisors is an integer number (123915496320).

Almost surely, 2^{4243434310020} is an apocalyptic number.

It is an amenable number.

4243434310020 is an abundant number, since it is smaller than the sum of its proper divisors (7652453336700).

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

4243434310020 is a wasteful number, since it uses less digits than its factorization.

4243434310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21565 (or 21563 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 4243434310020 its reverse (200134343424), we get a palindrome (4443568653444).

The spelling of 4243434310020 in words is "four trillion, two hundred forty-three billion, four hundred thirty-four million, three hundred ten thousand, twenty".