220143011 has 16 divisors (see below), whose sum is σ = 243416448. Its totient is φ = 197433600.

The previous prime is 220142963. The next prime is 220143029. The reversal of 220143011 is 110341022.

It is a cyclic number.

It is not a de Polignac number, because 220143011 - 2⁶ = 220142947 is a prime.

It is a super-2 number, since 2×220143011² = 96925890584292242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220163011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326771 + ... + 327443.

It is an arithmetic number, because the mean of its divisors is an integer number (15213528).

Almost surely, 2^220143011 is an apocalyptic number.

220143011 is a deficient number, since it is larger than the sum of its proper divisors (23273437).

220143011 is a wasteful number, since it uses less digits than its factorization.

220143011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 220143011 is about 14837.2170908159. The cubic root of 220143011 is about 603.8118529735.

Adding to 220143011 its reverse (110341022), we get a palindrome (330484033).

The spelling of 220143011 in words is "two hundred twenty million, one hundred forty-three thousand, eleven".