220213133 has 4 divisors (see below), whose sum is σ = 251672160. Its totient is φ = 188754108.

The previous prime is 220213117. The next prime is 220213141. The reversal of 220213133 is 331312022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220213133 - 2⁴ = 220213117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220203133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15729503 + ... + 15729516.

It is an arithmetic number, because the mean of its divisors is an integer number (62918040).

Almost surely, 2^220213133 is an apocalyptic number.

It is an amenable number.

220213133 is a deficient number, since it is larger than the sum of its proper divisors (31459027).

220213133 is an equidigital number, since it uses as much as digits as its factorization.

220213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31459026.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 220213133 is about 14839.5799468853. The cubic root of 220213133 is about 603.8759567573.

Adding to 220213133 its reverse (331312022), we get a palindrome (551525155).

The spelling of 220213133 in words is "two hundred twenty million, two hundred thirteen thousand, one hundred thirty-three".