220205541 has 8 divisors (see below), whose sum is σ = 294341184. Its totient is φ = 146436800.

The previous prime is 220205533. The next prime is 220205549. The reversal of 220205541 is 145502022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220205533) and next prime (220205549).

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 220205541 - 2³ = 220205533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220205549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90321 + ... + 92726.

It is an arithmetic number, because the mean of its divisors is an integer number (36792648).

Almost surely, 2^220205541 is an apocalyptic number.

It is an amenable number.

220205541 is a deficient number, since it is larger than the sum of its proper divisors (74135643).

220205541 is a wasteful number, since it uses less digits than its factorization.

220205541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183451.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 220205541 is about 14839.3241422917. The cubic root of 220205541 is about 603.8690169972.

Adding to 220205541 its reverse (145502022), we get a palindrome (365707563).

It can be divided in two parts, 220 and 205541, that added together give a triangular number (205761 = T₆₄₁).

The spelling of 220205541 in words is "two hundred twenty million, two hundred five thousand, five hundred forty-one".