200320133221 has 4 divisors (see below), whose sum is σ = 215729374252. Its totient is φ = 184910892192.

The previous prime is 200320133197. The next prime is 200320133291. The reversal of 200320133221 is 122331023002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66445372900 + 133874760321 = 257770^2 + 365889^2 .

It is not a de Polignac number, because 200320133221 - 2²⁹ = 199783262309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200320133291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7704620496 + ... + 7704620521.

It is an arithmetic number, because the mean of its divisors is an integer number (53932343563).

Almost surely, 2^200320133221 is an apocalyptic number.

It is an amenable number.

200320133221 is a deficient number, since it is larger than the sum of its proper divisors (15409241031).

200320133221 is a wasteful number, since it uses less digits than its factorization.

200320133221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15409241030.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 200320133221 its reverse (122331023002), we get a palindrome (322651156223).

The spelling of 200320133221 in words is "two hundred billion, three hundred twenty million, one hundred thirty-three thousand, two hundred twenty-one".