220143411 has 6 divisors (see below), whose sum is σ = 317984940. Its totient is φ = 146762268.

The previous prime is 220143409. The next prime is 220143433. The reversal of 220143411 is 114341022.

220143411 is a `hidden beast` number, since 220 + 1 + 434 + 11 = 666.

It is not a de Polignac number, because 220143411 - 2¹ = 220143409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220143401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12230181 + ... + 12230198.

It is an arithmetic number, because the mean of its divisors is an integer number (52997490).

Almost surely, 2^220143411 is an apocalyptic number.

220143411 is a deficient number, since it is larger than the sum of its proper divisors (97841529).

220143411 is a wasteful number, since it uses less digits than its factorization.

220143411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24460385 (or 24460382 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 220143411 is about 14837.2305704265. The cubic root of 220143411 is about 603.8122186821.

Adding to 220143411 its reverse (114341022), we get a palindrome (334484433).

It can be divided in two parts, 22014 and 3411, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 220143411 in words is "two hundred twenty million, one hundred forty-three thousand, four hundred eleven".