220143330 has 48 divisors (see below), whose sum is σ = 624409344. Its totient is φ = 53367840.

The previous prime is 220143317. The next prime is 220143389. The reversal of 220143330 is 33341022.

220143330 is a `hidden beast` number, since 2 + 201 + 433 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110194 + ... + 112173.

It is an arithmetic number, because the mean of its divisors is an integer number (13008528).

Almost surely, 2^220143330 is an apocalyptic number.

220143330 is an abundant number, since it is smaller than the sum of its proper divisors (404266014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220143330 is a wasteful number, since it uses less digits than its factorization.

220143330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222391 (or 222388 counting only the distinct ones).

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

The square root of 220143330 is about 14837.2278408064. The cubic root of 220143330 is about 603.8121446261.

Adding to 220143330 its reverse (33341022), we get a palindrome (253484352).

The spelling of 220143330 in words is "two hundred twenty million, one hundred forty-three thousand, three hundred thirty".