220841271 has 48 divisors (see below), whose sum is σ = 396512064. Its totient is φ = 115540992.

The previous prime is 220841233. The next prime is 220841273. The reversal of 220841271 is 172148022.

It is not a de Polignac number, because 220841271 - 2¹⁰ = 220840247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220841273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36841 + ... + 42413.

It is an arithmetic number, because the mean of its divisors is an integer number (8260668).

Almost surely, 2^220841271 is an apocalyptic number.

220841271 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220841271 is a deficient number, since it is larger than the sum of its proper divisors (175670793).

220841271 is a wasteful number, since it uses less digits than its factorization.

220841271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640 (or 5637 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 220841271 is about 14860.7291543854. The cubic root of 220841271 is about 604.4495788431.

Adding to 220841271 its reverse (172148022), we get a palindrome (392989293).

The spelling of 220841271 in words is "two hundred twenty million, eight hundred forty-one thousand, two hundred seventy-one".