200202000121900 has 72 divisors (see below), whose sum is σ = 496503783911520. Its totient is φ = 68640295395840.

The previous prime is 200202000121847. The next prime is 200202000121901. The reversal of 200202000121900 is 9121000202002.

It is a super-2 number, since 2×200202000121900² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200202000121901) 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 23 ways as a sum of consecutive naturals, for example, 139688136 + ... + 141114064.

It is an arithmetic number, because the mean of its divisors is an integer number (6895885887660).

Almost surely, 2^{200202000121900} is an apocalyptic number.

200202000121900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200202000121900 is an abundant number, since it is smaller than the sum of its proper divisors (296301783789620).

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

200202000121900 is a wasteful number, since it uses less digits than its factorization.

200202000121900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626523 (or 1626516 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 200202000121900 its reverse (9121000202002), we get a palindrome (209323000323902).

The spelling of 200202000121900 in words is "two hundred trillion, two hundred two billion, one hundred twenty-one thousand, nine hundred".