220331024401 has 2 divisors, whose sum is σ = 220331024402. Its totient is φ = 220331024400.

The previous prime is 220331024371. The next prime is 220331024423. The reversal of 220331024401 is 104420133022.

It is an a-pointer prime, because the next prime (220331024423) can be obtained adding 220331024401 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110806431376 + 109524593025 = 332876^2 + 330945^2 .

It is a cyclic number.

It is not a de Polignac number, because 220331024401 - 2⁹ = 220331023889 is a prime.

It is not a weakly prime, because it can be changed into another prime (220331024491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110165512200 + 110165512201.

It is an arithmetic number, because the mean of its divisors is an integer number (110165512201).

Almost surely, 2^220331024401 is an apocalyptic number.

It is an amenable number.

220331024401 is a deficient number, since it is larger than the sum of its proper divisors (1).

220331024401 is an equidigital number, since it uses as much as digits as its factorization.

220331024401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220331024401 its reverse (104420133022), we get a palindrome (324751157423).

The spelling of 220331024401 in words is "two hundred twenty billion, three hundred thirty-one million, twenty-four thousand, four hundred one".