4002020200 has 48 divisors (see below), whose sum is σ = 9314136000. Its totient is φ = 1599184320.

The previous prime is 4002020177. The next prime is 4002020203. The reversal of 4002020200 is 20202004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (4002020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198171 + ... + 217429.

It is an arithmetic number, because the mean of its divisors is an integer number (194044500).

Almost surely, 2^4002020200 is an apocalyptic number.

4002020200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4002020200 is an abundant number, since it is smaller than the sum of its proper divisors (5312115800).

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

4002020200 is a wasteful number, since it uses less digits than its factorization.

4002020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20314 (or 20305 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4002020200 is about 63261.5222706504. The cubic root of 4002020200 is about 1587.6682459582.

Adding to 4002020200 its reverse (20202004), we get a palindrome (4022222204).

The spelling of 4002020200 in words is "four billion, two million, twenty thousand, two hundred".