4243230020 has 24 divisors (see below), whose sum is σ = 8980952064. Its totient is φ = 1683926496.

The previous prime is 4243230001. The next prime is 4243230023. The reversal of 4243230020 is 200323424.

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 = 4243229974 and 4243230001.

It is not an unprimeable number, because it can be changed into a prime (4243230023) 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, 832742 + ... + 837821.

It is an arithmetic number, because the mean of its divisors is an integer number (374206336).

Almost surely, 2^4243230020 is an apocalyptic number.

It is an amenable number.

4243230020 is an abundant number, since it is smaller than the sum of its proper divisors (4737722044).

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

4243230020 is a wasteful number, since it uses less digits than its factorization.

4243230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670699 (or 1670697 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 4243230020 is about 65140.0799815290. The cubic root of 4243230020 is about 1618.9453609170.

Adding to 4243230020 its reverse (200323424), we get a palindrome (4443553444).

The spelling of 4243230020 in words is "four billion, two hundred forty-three million, two hundred thirty thousand, twenty".