221303200430 has 32 divisors (see below), whose sum is σ = 429013537344. Its totient is φ = 81707037696.

The previous prime is 221303200429. The next prime is 221303200439. The reversal of 221303200430 is 34002303122.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221303200439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2675879 + ... + 2757341.

It is an arithmetic number, because the mean of its divisors is an integer number (13406673042).

Almost surely, 2^221303200430 is an apocalyptic number.

221303200430 is a deficient number, since it is larger than the sum of its proper divisors (207710336914).

221303200430 is a wasteful number, since it uses less digits than its factorization.

221303200430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102380.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 221303200430 its reverse (34002303122), we get a palindrome (255305503552).

The spelling of 221303200430 in words is "two hundred twenty-one billion, three hundred three million, two hundred thousand, four hundred thirty".