200202200021987 has 8 divisors (see below), whose sum is σ = 200264032475136. Its totient is φ = 200140376921352.

The previous prime is 200202200021977. The next prime is 200202200022001. The reversal of 200202200021987 is 789120002202002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200202200021987 - 2²⁴ = 200202183244771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200202200021977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40602638 + ... + 45265644.

It is an arithmetic number, because the mean of its divisors is an integer number (25033004059392).

Almost surely, 2^{200202200021987} is an apocalyptic number.

200202200021987 is a deficient number, since it is larger than the sum of its proper divisors (61832453149).

200202200021987 is an equidigital number, since it uses as much as digits as its factorization.

200202200021987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676257.

The product of its (nonzero) digits is 16128, while the sum is 35.

Adding to 200202200021987 its reverse (789120002202002), we get a palindrome (989322202223989).

The spelling of 200202200021987 in words is "two hundred trillion, two hundred two billion, two hundred million, twenty-one thousand, nine hundred eighty-seven".