220201213333457 has 2 divisors, whose sum is σ = 220201213333458. Its totient is φ = 220201213333456.

The previous prime is 220201213333403. The next prime is 220201213333481. The reversal of 220201213333457 is 754333312102022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186127328836801 + 34073884496656 = 13642849^2 + 5837284^2 .

It is a cyclic number.

It is not a de Polignac number, because 220201213333457 - 2²⁸ = 220200944898001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220201213333457.

It is not a weakly prime, because it can be changed into another prime (220201213393457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110100606666728 + 110100606666729.

It is an arithmetic number, because the mean of its divisors is an integer number (110100606666729).

Almost surely, 2^{220201213333457} is an apocalyptic number.

It is an amenable number.

220201213333457 is a deficient number, since it is larger than the sum of its proper divisors (1).

220201213333457 is an equidigital number, since it uses as much as digits as its factorization.

220201213333457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 38.

Adding to 220201213333457 its reverse (754333312102022), we get a palindrome (974534525435479).

The spelling of 220201213333457 in words is "two hundred twenty trillion, two hundred one billion, two hundred thirteen million, three hundred thirty-three thousand, four hundred fifty-seven".