220741 has 4 divisors (see below), whose sum is σ = 222912. Its totient is φ = 218572.

The previous prime is 220721. The next prime is 220747. The reversal of 220741 is 147022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220741 - 2⁵ = 220709 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 (220747) 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, 925 + ... + 1138.

It is an arithmetic number, because the mean of its divisors is an integer number (55728).

2²²⁰⁷⁴¹ is an apocalyptic number.

It is an amenable number.

220741 is a deficient number, since it is larger than the sum of its proper divisors (2171).

220741 is a wasteful number, since it uses less digits than its factorization.

220741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 220741 is about 469.8308206153. The cubic root of 220741 is about 60.4358083356.

Adding to 220741 its reverse (147022), we get a palindrome (367763).

It can be divided in two parts, 220 and 741, that added together give a square (961 = 31²).

The spelling of 220741 in words is "two hundred twenty thousand, seven hundred forty-one", and thus it is an iban number.