4421206120 has 16 divisors (see below), whose sum is σ = 9947713860. Its totient is φ = 1768482432.

The previous prime is 4421206057. The next prime is 4421206147. The reversal of 4421206120 is 216021244.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4401260964 + 19945156 = 66342^2 + 4466^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4421206091 and 4421206100.

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, 55265037 + ... + 55265116.

Almost surely, 2^4421206120 is an apocalyptic number.

4421206120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421206120 is an abundant number, since it is smaller than the sum of its proper divisors (5526507740).

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

4421206120 is a wasteful number, since it uses less digits than its factorization.

4421206120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110530164 (or 110530160 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4421206120 is about 66492.1508149646. The cubic root of 4421206120 is about 1641.2708422505.

Adding to 4421206120 its reverse (216021244), we get a palindrome (4637227364).

The spelling of 4421206120 in words is "four billion, four hundred twenty-one million, two hundred six thousand, one hundred twenty".