200202002120090 has 8 divisors (see below), whose sum is σ = 360363603816180. Its totient is φ = 80080800848032.

The previous prime is 200202002120089. The next prime is 200202002120111. The reversal of 200202002120090 is 90021200202002.

It can be written as a sum of positive squares in 2 ways, for example, as 193037595077209 + 7164407042881 = 13893797^2 + 2676641^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10010100105995 + ... + 10010100106014.

Almost surely, 2^{200202002120090} is an apocalyptic number.

200202002120090 is a deficient number, since it is larger than the sum of its proper divisors (160161601696090).

200202002120090 is a wasteful number, since it uses less digits than its factorization.

200202002120090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20020200212016.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 200202002120090 its reverse (90021200202002), we get a palindrome (290223202322092).

The spelling of 200202002120090 in words is "two hundred trillion, two hundred two billion, two million, one hundred twenty thousand, ninety".