443121101430020 has 48 divisors (see below), whose sum is σ = 1011329316948720. Its totient is φ = 162112899764736.

The previous prime is 443121101430019. The next prime is 443121101430023. The reversal of 443121101430020 is 20034101121344.

It can be written as a sum of positive squares in 8 ways, for example, as 90897766177024 + 352223335252996 = 9534032^2 + 18767614^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (443121101430023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7817916287 + ... + 7817972966.

It is an arithmetic number, because the mean of its divisors is an integer number (21069360769765).

Almost surely, 2^{443121101430020} is an apocalyptic number.

It is an amenable number.

443121101430020 is an abundant number, since it is smaller than the sum of its proper divisors (568208215518700).

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

443121101430020 is a wasteful number, since it uses less digits than its factorization.

443121101430020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15635889384 (or 15635889382 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 443121101430020 its reverse (20034101121344), we get a palindrome (463155202551364).

The spelling of 443121101430020 in words is "four hundred forty-three trillion, one hundred twenty-one billion, one hundred one million, four hundred thirty thousand, twenty".