220142211 has 4 divisors (see below), whose sum is σ = 293522952. Its totient is φ = 146761472.

The previous prime is 220142203. The next prime is 220142287. The reversal of 220142211 is 112241022.

220142211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220142211 - 2³ = 220142203 is a prime.

It is a super-5 number, since 5×220142211⁵ (a number of 43 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (220142201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36690366 + ... + 36690371.

It is an arithmetic number, because the mean of its divisors is an integer number (73380738).

Almost surely, 2^220142211 is an apocalyptic number.

220142211 is a deficient number, since it is larger than the sum of its proper divisors (73380741).

220142211 is an equidigital number, since it uses as much as digits as its factorization.

220142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73380740.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 220142211 is about 14837.1901315579. The cubic root of 220142211 is about 603.8111215549.

Adding to 220142211 its reverse (112241022), we get a palindrome (332383233).

The spelling of 220142211 in words is "two hundred twenty million, one hundred forty-two thousand, two hundred eleven".