200202020 has 12 divisors (see below), whose sum is σ = 420424284. Its totient is φ = 80080800.

The previous prime is 200202019. The next prime is 200202043. The reversal of 200202020 is 20202002.

It can be written as a sum of positive squares in 2 ways, for example, as 50922496 + 149279524 = 7136^2 + 12218^2 .

200202020 is a modest number, since divided by 202020 gives 200 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 200201989 and 200202007.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5005031 + ... + 5005070.

It is an arithmetic number, because the mean of its divisors is an integer number (35035357).

Almost surely, 2^200202020 is an apocalyptic number.

200202020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200202020 is an abundant number, since it is smaller than the sum of its proper divisors (220222264).

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

200202020 is a wasteful number, since it uses less digits than its factorization.

200202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10010110 (or 10010108 counting only the distinct ones).

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

The square root of 200202020 is about 14149.2763065819. The cubic root of 200202020 is about 585.0003847369. Note that the first 3 decimals are identical.

Adding to 200202020 its reverse (20202002), we get a palindrome (220404022).

The spelling of 200202020 in words is "two hundred million, two hundred two thousand, twenty".