4220262020 has 48 divisors (see below), whose sum is σ = 9777097008. Its totient is φ = 1520240640.

The previous prime is 4220261999. The next prime is 4220262037. The reversal of 4220262020 is 202620224.

It can be written as a sum of positive squares in 8 ways, for example, as 136796416 + 4083465604 = 11696^2 + 63902^2 .

It is a super-2 number, since 2×4220262020² = 35621223034908960800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4220261983 and 4220262001.

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, 187289 + ... + 208608.

It is an arithmetic number, because the mean of its divisors is an integer number (203689521).

Almost surely, 2^4220262020 is an apocalyptic number.

It is an amenable number.

4220262020 is an abundant number, since it is smaller than the sum of its proper divisors (5556834988).

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

4220262020 is a wasteful number, since it uses less digits than its factorization.

4220262020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395960 (or 395958 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4220262020 is about 64963.5437764905. The cubic root of 4220262020 is about 1616.0190343680.

Adding to 4220262020 its reverse (202620224), we get a palindrome (4422882244).

The spelling of 4220262020 in words is "four billion, two hundred twenty million, two hundred sixty-two thousand, twenty".