200202121001220 has 96 divisors (see below), whose sum is σ = 604260790492800. Its totient is φ = 49233632716800.

The previous prime is 200202121001219. The next prime is 200202121001227. The reversal of 200202121001220 is 22100121202002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 200202121001220.

It is not an unprimeable number, because it can be changed into a prime (200202121001227) 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 31 ways as a sum of consecutive naturals, for example, 121287445 + ... + 122927004.

It is an arithmetic number, because the mean of its divisors is an integer number (6294383234300).

Almost surely, 2^{200202121001220} is an apocalyptic number.

200202121001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200202121001220 is an abundant number, since it is smaller than the sum of its proper divisors (404058669491580).

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

200202121001220 is a wasteful number, since it uses less digits than its factorization.

200202121001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244215525 (or 244215523 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200202121001220 its reverse (22100121202002), we get a palindrome (222302242203222).

The spelling of 200202121001220 in words is "two hundred trillion, two hundred two billion, one hundred twenty-one million, one thousand, two hundred twenty".