200202021220 has 12 divisors (see below), whose sum is σ = 420424244604. Its totient is φ = 80080808480.

The previous prime is 200202021209. The next prime is 200202021277. The reversal of 200202021220 is 22120202002.

It can be written as a sum of positive squares in 2 ways, for example, as 70031153956 + 130170867264 = 264634^2 + 360792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 200202021220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5005050511 + ... + 5005050550.

It is an arithmetic number, because the mean of its divisors is an integer number (35035353717).

Almost surely, 2^200202021220 is an apocalyptic number.

200202021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200202021220 is an abundant number, since it is smaller than the sum of its proper divisors (220222223384).

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

200202021220 is a wasteful number, since it uses less digits than its factorization.

200202021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010101070 (or 10010101068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 200202021220 its reverse (22120202002), we get a palindrome (222322223222).

The spelling of 200202021220 in words is "two hundred billion, two hundred two million, twenty-one thousand, two hundred twenty".