200121330 has 32 divisors (see below), whose sum is σ = 481572864. Its totient is φ = 53223296.

The previous prime is 200121329. The next prime is 200121349. The reversal of 200121330 is 33121002.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2782 + ... + 20198.

It is an arithmetic number, because the mean of its divisors is an integer number (15049152).

Almost surely, 2^200121330 is an apocalyptic number.

200121330 is an abundant number, since it is smaller than the sum of its proper divisors (281451534).

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

200121330 is a wasteful number, since it uses less digits than its factorization.

200121330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17810.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 200121330 is about 14146.4246366352. The cubic root of 200121330 is about 584.9217807611.

Adding to 200121330 its reverse (33121002), we get a palindrome (233242332).

The spelling of 200121330 in words is "two hundred million, one hundred twenty-one thousand, three hundred thirty".