220434452401 has 2 divisors, whose sum is σ = 220434452402. Its totient is φ = 220434452400.

The previous prime is 220434452389. The next prime is 220434452509. The reversal of 220434452401 is 104254434022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163312974400 + 57121478001 = 404120^2 + 239001^2 .

It is a cyclic number.

It is not a de Polignac number, because 220434452401 - 2²⁹ = 219897581489 is a prime.

It is a super-4 number, since 4×220434452401⁴ (a number of 46 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (220434452201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110217226200 + 110217226201.

It is an arithmetic number, because the mean of its divisors is an integer number (110217226201).

Almost surely, 2^220434452401 is an apocalyptic number.

It is an amenable number.

220434452401 is a deficient number, since it is larger than the sum of its proper divisors (1).

220434452401 is an equidigital number, since it uses as much as digits as its factorization.

220434452401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 220434452401 its reverse (104254434022), we get a palindrome (324688886423).

The spelling of 220434452401 in words is "two hundred twenty billion, four hundred thirty-four million, four hundred fifty-two thousand, four hundred one".