4022120052 has 18 divisors (see below), whose sum is σ = 10167025778. Its totient is φ = 1340706672.

The previous prime is 4022119949. The next prime is 4022120059. The reversal of 4022120052 is 2500212204.

4022120052 is a `hidden beast` number, since 402 + 212 + 0 + 0 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4007649636 + 14470416 = 63306^2 + 3804^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022120059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55862743 + ... + 55862814.

Almost surely, 2^4022120052 is an apocalyptic number.

It is an amenable number.

4022120052 is an abundant number, since it is smaller than the sum of its proper divisors (6144905726).

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

4022120052 is a wasteful number, since it uses less digits than its factorization.

4022120052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111725567 (or 111725562 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4022120052 is about 63420.1864708706. The cubic root of 4022120052 is about 1590.3217908095.

Adding to 4022120052 its reverse (2500212204), we get a palindrome (6522332256).

The spelling of 4022120052 in words is "four billion, twenty-two million, one hundred twenty thousand, fifty-two".