220330143 has 12 divisors (see below), whose sum is σ = 347187048. Its totient is φ = 133533360.

The previous prime is 220330073. The next prime is 220330157. The reversal of 220330143 is 341033022.

It is not a de Polignac number, because 220330143 - 2⁹ = 220329631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220330163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1112680 + ... + 1112877.

It is an arithmetic number, because the mean of its divisors is an integer number (28932254).

Almost surely, 2^220330143 is an apocalyptic number.

220330143 is a deficient number, since it is larger than the sum of its proper divisors (126856905).

220330143 is a wasteful number, since it uses less digits than its factorization.

220330143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225574 (or 2225571 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 220330143 is about 14843.5219203530. The cubic root of 220330143 is about 603.9828940889.

Adding to 220330143 its reverse (341033022), we get a palindrome (561363165).

The spelling of 220330143 in words is "two hundred twenty million, three hundred thirty thousand, one hundred forty-three".