220034242321 has 2 divisors, whose sum is σ = 220034242322. Its totient is φ = 220034242320.

The previous prime is 220034242279. The next prime is 220034242331. The reversal of 220034242321 is 123242430022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200310848721 + 19723393600 = 447561^2 + 140440^2 .

It is a cyclic number.

It is not a de Polignac number, because 220034242321 - 2⁹ = 220034241809 is a prime.

It is not a weakly prime, because it can be changed into another prime (220034242331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110017121160 + 110017121161.

It is an arithmetic number, because the mean of its divisors is an integer number (110017121161).

Almost surely, 2^220034242321 is an apocalyptic number.

It is an amenable number.

220034242321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220034242321 is an equidigital number, since it uses as much as digits as its factorization.

220034242321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 220034242321 its reverse (123242430022), we get a palindrome (343276672343).

The spelling of 220034242321 in words is "two hundred twenty billion, thirty-four million, two hundred forty-two thousand, three hundred twenty-one".