4002206620 has 12 divisors (see below), whose sum is σ = 8404633944. Its totient is φ = 1600882640.

The previous prime is 4002206587. The next prime is 4002206629. The reversal of 4002206620 is 266022004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4002206591 and 4002206600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002206629) 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, 100055146 + ... + 100055185.

It is an arithmetic number, because the mean of its divisors is an integer number (700386162).

Almost surely, 2^4002206620 is an apocalyptic number.

It is an amenable number.

4002206620 is an abundant number, since it is smaller than the sum of its proper divisors (4402427324).

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

4002206620 is a wasteful number, since it uses less digits than its factorization.

4002206620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200110340 (or 200110338 counting only the distinct ones).

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

The square root of 4002206620 is about 63262.9956609707. The cubic root of 4002206620 is about 1587.6928975512.

Adding to 4002206620 its reverse (266022004), we get a palindrome (4268228624).

The spelling of 4002206620 in words is "four billion, two million, two hundred six thousand, six hundred twenty".