4006620220 has 12 divisors (see below), whose sum is σ = 8413902504. Its totient is φ = 1602648080.

The previous prime is 4006620209. The next prime is 4006620223. The reversal of 4006620220 is 220266004.

It is a happy number.

4006620220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×4006620220³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4006620191 and 4006620200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006620223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100165486 + ... + 100165525.

It is an arithmetic number, because the mean of its divisors is an integer number (701158542).

Almost surely, 2^4006620220 is an apocalyptic number.

It is an amenable number.

4006620220 is an abundant number, since it is smaller than the sum of its proper divisors (4407282284).

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

4006620220 is a wasteful number, since it uses less digits than its factorization.

4006620220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200331020 (or 200331018 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4006620220 is about 63297.8690004648. The cubic root of 4006620220 is about 1588.2763146257.

Adding to 4006620220 its reverse (220266004), we get a palindrome (4226886224).

The spelling of 4006620220 in words is "four billion, six million, six hundred twenty thousand, two hundred twenty".