200145320221 has 32 divisors (see below), whose sum is σ = 250235274240. Its totient is φ = 155518444800.

The previous prime is 200145320213. The next prime is 200145320231. The reversal of 200145320221 is 122023541002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200145320221 - 2³ = 200145320213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200145320192 and 200145320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200145320231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46146165 + ... + 46150501.

It is an arithmetic number, because the mean of its divisors is an integer number (7819852320).

Almost surely, 2^200145320221 is an apocalyptic number.

It is an amenable number.

200145320221 is a deficient number, since it is larger than the sum of its proper divisors (50089954019).

200145320221 is a wasteful number, since it uses less digits than its factorization.

200145320221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 200145320221 its reverse (122023541002), we get a palindrome (322168861223).

The spelling of 200145320221 in words is "two hundred billion, one hundred forty-five million, three hundred twenty thousand, two hundred twenty-one".