43021144220 has 12 divisors (see below), whose sum is σ = 90344402904. Its totient is φ = 17208457680.

The previous prime is 43021144181. The next prime is 43021144297. The reversal of 43021144220 is 2244112034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075528586 + ... + 1075528625.

It is an arithmetic number, because the mean of its divisors is an integer number (7528700242).

Almost surely, 2^43021144220 is an apocalyptic number.

It is an amenable number.

43021144220 is an abundant number, since it is smaller than the sum of its proper divisors (47323258684).

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

43021144220 is a wasteful number, since it uses less digits than its factorization.

43021144220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151057220 (or 2151057218 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 43021144220 its reverse (2244112034), we get a palindrome (45265256254).

The spelling of 43021144220 in words is "forty-three billion, twenty-one million, one hundred forty-four thousand, two hundred twenty".