4022120234420 has 12 divisors (see below), whose sum is σ = 8446452492324. Its totient is φ = 1608848093760.

The previous prime is 4022120234389. The next prime is 4022120234437. The reversal of 4022120234420 is 244320212204.

4022120234420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2643947544484 + 1378172689936 = 1626022^2 + 1173956^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4022120234420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100553005841 + ... + 100553005880.

It is an arithmetic number, because the mean of its divisors is an integer number (703871041027).

Almost surely, 2^{4022120234420} is an apocalyptic number.

It is an amenable number.

4022120234420 is an abundant number, since it is smaller than the sum of its proper divisors (4424332257904).

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

4022120234420 is a wasteful number, since it uses less digits than its factorization.

4022120234420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201106011730 (or 201106011728 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 4022120234420 its reverse (244320212204), we get a palindrome (4266440446624).

The spelling of 4022120234420 in words is "four trillion, twenty-two billion, one hundred twenty million, two hundred thirty-four thousand, four hundred twenty".