220510133 has 2 divisors, whose sum is σ = 220510134. Its totient is φ = 220510132.

The previous prime is 220510127. The next prime is 220510141. The reversal of 220510133 is 331015022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217208644 + 3301489 = 14738^2 + 1817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220510133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220510123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110255066 + 110255067.

It is an arithmetic number, because the mean of its divisors is an integer number (110255067).

Almost surely, 2^220510133 is an apocalyptic number.

It is an amenable number.

220510133 is a deficient number, since it is larger than the sum of its proper divisors (1).

220510133 is an equidigital number, since it uses as much as digits as its factorization.

220510133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 220510133 is about 14849.5835968555. The cubic root of 220510133 is about 604.1473159737.

Adding to 220510133 its reverse (331015022), we get a palindrome (551525155).

The spelling of 220510133 in words is "two hundred twenty million, five hundred ten thousand, one hundred thirty-three".