4443530121220 has 24 divisors (see below), whose sum is σ = 9822540268800. Its totient is φ = 1683864045792.

The previous prime is 4443530121187. The next prime is 4443530121253. The reversal of 4443530121220 is 221210353444.

It is an interprime number because it is at equal distance from previous prime (4443530121187) and next prime (4443530121253).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5846749780 + ... + 5846750539.

It is an arithmetic number, because the mean of its divisors is an integer number (409272511200).

Almost surely, 2^{4443530121220} is an apocalyptic number.

It is an amenable number.

4443530121220 is an abundant number, since it is smaller than the sum of its proper divisors (5379010147580).

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

4443530121220 is a wasteful number, since it uses less digits than its factorization.

4443530121220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11693500347 (or 11693500345 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 4443530121220 its reverse (221210353444), we get a palindrome (4664740474664).

The spelling of 4443530121220 in words is "four trillion, four hundred forty-three billion, five hundred thirty million, one hundred twenty-one thousand, two hundred twenty".