220534211 has 8 divisors (see below), whose sum is σ = 222125904. Its totient is φ = 218947680.

The previous prime is 220534187. The next prime is 220534213. The reversal of 220534211 is 112435022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220534211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220534213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125801 + ... + 127541.

It is an arithmetic number, because the mean of its divisors is an integer number (27765738).

Almost surely, 2^220534211 is an apocalyptic number.

220534211 is a deficient number, since it is larger than the sum of its proper divisors (1591693).

220534211 is a wasteful number, since it uses less digits than its factorization.

220534211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 220534211 is about 14850.3943045294. The cubic root of 220534211 is about 604.1693045772.

Adding to 220534211 its reverse (112435022), we get a palindrome (332969233).

The spelling of 220534211 in words is "two hundred twenty million, five hundred thirty-four thousand, two hundred eleven".