4431201023020 has 24 divisors (see below), whose sum is σ = 9333134987904. Its totient is φ = 1767220820736.

The previous prime is 4431201022961. The next prime is 4431201023083. The reversal of 4431201023020 is 203201021344.

It is a junction number, because it is equal to n+sod(n) for n = 4431201022982 and 4431201023000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328717372 + ... + 328730851.

It is an arithmetic number, because the mean of its divisors is an integer number (388880624496).

Almost surely, 2^{4431201023020} is an apocalyptic number.

It is an amenable number.

4431201023020 is an abundant number, since it is smaller than the sum of its proper divisors (4901933964884).

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

4431201023020 is a wasteful number, since it uses less digits than its factorization.

4431201023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657448569 (or 657448567 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 4431201023020 its reverse (203201021344), we get a palindrome (4634402044364).

The spelling of 4431201023020 in words is "four trillion, four hundred thirty-one billion, two hundred one million, twenty-three thousand, twenty".