4224122020 has 48 divisors (see below), whose sum is σ = 9424603440. Its totient is φ = 1587285504.

The previous prime is 4224122011. The next prime is 4224122053. The reversal of 4224122020 is 202214224.

It can be written as a sum of positive squares in 8 ways, for example, as 49928356 + 4174193664 = 7066^2 + 64608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76959 + ... + 119878.

It is an arithmetic number, because the mean of its divisors is an integer number (196345905).

Almost surely, 2^4224122020 is an apocalyptic number.

It is an amenable number.

4224122020 is an abundant number, since it is smaller than the sum of its proper divisors (5200481420).

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

4224122020 is a wasteful number, since it uses less digits than its factorization.

4224122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196912 (or 196910 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4224122020 is about 64993.2459567915. The cubic root of 4224122020 is about 1616.5115735064.

Adding to 4224122020 its reverse (202214224), we get a palindrome (4426336244).

It can be divided in two parts, 42241 and 22020, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 4224122020 in words is "four billion, two hundred twenty-four million, one hundred twenty-two thousand, twenty".