220431341 has 4 divisors (see below), whose sum is σ = 237387612. Its totient is φ = 203475072.

The previous prime is 220431329. The next prime is 220431347. The reversal of 220431341 is 143134022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85174441 + 135256900 = 9229^2 + 11630^2 .

It is a cyclic number.

It is not a de Polignac number, because 220431341 - 2¹⁰ = 220430317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220431347) 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, 8478116 + ... + 8478141.

It is an arithmetic number, because the mean of its divisors is an integer number (59346903).

Almost surely, 2^220431341 is an apocalyptic number.

It is an amenable number.

220431341 is a deficient number, since it is larger than the sum of its proper divisors (16956271).

220431341 is a wasteful number, since it uses less digits than its factorization.

220431341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16956270.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 220431341 is about 14846.9303561376. The cubic root of 220431341 is about 604.0753500502.

Adding to 220431341 its reverse (143134022), we get a palindrome (363565363).

The spelling of 220431341 in words is "two hundred twenty million, four hundred thirty-one thousand, three hundred forty-one".