200344234221 has 32 divisors (see below), whose sum is σ = 305139659520. Its totient is φ = 129820180032.

The previous prime is 200344234199. The next prime is 200344234231. The reversal of 200344234221 is 122432443002.

200344234221 is a `hidden beast` number, since 200 + 3 + 4 + 4 + 234 + 221 = 666.

It is not a de Polignac number, because 200344234221 - 2⁶ = 200344234157 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200344234231) 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, 880011 + ... + 1084023.

It is an arithmetic number, because the mean of its divisors is an integer number (9535614360).

Almost surely, 2^200344234221 is an apocalyptic number.

It is an amenable number.

200344234221 is a deficient number, since it is larger than the sum of its proper divisors (104795425299).

200344234221 is a wasteful number, since it uses less digits than its factorization.

200344234221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205042 (or 205036 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 200344234221 its reverse (122432443002), we get a palindrome (322776677223).

The spelling of 200344234221 in words is "two hundred billion, three hundred forty-four million, two hundred thirty-four thousand, two hundred twenty-one".