220413434321 has 2 divisors, whose sum is σ = 220413434322. Its totient is φ = 220413434320.

The previous prime is 220413434287. The next prime is 220413434341. The reversal of 220413434321 is 123434314022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124877424400 + 95536009921 = 353380^2 + 309089^2 .

It is a cyclic number.

It is not a de Polignac number, because 220413434321 - 2¹⁰ = 220413433297 is a prime.

It is not a weakly prime, because it can be changed into another prime (220413434341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110206717160 + 110206717161.

It is an arithmetic number, because the mean of its divisors is an integer number (110206717161).

Almost surely, 2^220413434321 is an apocalyptic number.

It is an amenable number.

220413434321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220413434321 is an equidigital number, since it uses as much as digits as its factorization.

220413434321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 220413434321 its reverse (123434314022), we get a palindrome (343847748343).

The spelling of 220413434321 in words is "two hundred twenty billion, four hundred thirteen million, four hundred thirty-four thousand, three hundred twenty-one".