220513133 has 2 divisors, whose sum is σ = 220513134. Its totient is φ = 220513132.

The previous prime is 220513127. The next prime is 220513141. The reversal of 220513133 is 331315022.

220513133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 151240804 + 69272329 = 12298^2 + 8323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220513133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220510133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110256566 + 110256567.

It is an arithmetic number, because the mean of its divisors is an integer number (110256567).

Almost surely, 2^220513133 is an apocalyptic number.

It is an amenable number.

220513133 is a deficient number, since it is larger than the sum of its proper divisors (1).

220513133 is an equidigital number, since it uses as much as digits as its factorization.

220513133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 220513133 is about 14849.6846094454. The cubic root of 220513133 is about 604.1500557325.

Adding to 220513133 its reverse (331315022), we get a palindrome (551828155).

The spelling of 220513133 in words is "two hundred twenty million, five hundred thirteen thousand, one hundred thirty-three".