220211641 has 8 divisors (see below), whose sum is σ = 237454784. Its totient is φ = 203011920.

The previous prime is 220211633. The next prime is 220211687. The reversal of 220211641 is 146112022.

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

It is a cyclic number.

It is not a de Polignac number, because 220211641 - 2³ = 220211633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (29681848).

Almost surely, 2^220211641 is an apocalyptic number.

It is an amenable number.

220211641 is a deficient number, since it is larger than the sum of its proper divisors (17243143).

220211641 is a wasteful number, since it uses less digits than its factorization.

220211641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21711.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 220211641 is about 14839.5296758354. The cubic root of 220211641 is about 603.8745929499.

Adding to 220211641 its reverse (146112022), we get a palindrome (366323663).

The spelling of 220211641 in words is "two hundred twenty million, two hundred eleven thousand, six hundred forty-one".