220323133 has 2 divisors, whose sum is σ = 220323134. Its totient is φ = 220323132.

The previous prime is 220323127. The next prime is 220323143. The reversal of 220323133 is 331323022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167003929 + 53319204 = 12923^2 + 7302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220323133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220323133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220323143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110161566 + 110161567.

It is an arithmetic number, because the mean of its divisors is an integer number (110161567).

Almost surely, 2^220323133 is an apocalyptic number.

It is an amenable number.

220323133 is a deficient number, since it is larger than the sum of its proper divisors (1).

220323133 is an equidigital number, since it uses as much as digits as its factorization.

220323133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 220323133 is about 14843.2857885308. The cubic root of 220323133 is about 603.9764886028.

Adding to 220323133 its reverse (331323022), we get a palindrome (551646155).

The spelling of 220323133 in words is "two hundred twenty million, three hundred twenty-three thousand, one hundred thirty-three".