2020020200 has 96 divisors (see below), whose sum is σ = 5174802720. Its totient is φ = 727200000.

The previous prime is 2020020199. The next prime is 2020020203. The reversal of 2020020200 is 20200202.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (2020020203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217655 + ... + 226745.

It is an arithmetic number, because the mean of its divisors is an integer number (53904195).

Almost surely, 2^2020020200 is an apocalyptic number.

2020020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2587401360).

2020020200 is an abundant number, since it is smaller than the sum of its proper divisors (3154782520).

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

2020020200 is a wasteful number, since it uses less digits than its factorization.

2020020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219 (or 9210 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 2020020200 is about 44944.6348299772. The cubic root of 2020020200 is about 1264.1110785388. Note that the first 3 decimals are identical.

Adding to 2020020200 its reverse (20200202), we get a palindrome (2040220402).

2020020200 divided by its reverse (20200202) gives a square (100 = 10²).

The spelling of 2020020200 in words is "two billion, twenty million, twenty thousand, two hundred".