220546141 has 2 divisors, whose sum is σ = 220546142. Its totient is φ = 220546140.

The previous prime is 220546127. The next prime is 220546169. The reversal of 220546141 is 141645022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185096025 + 35450116 = 13605^2 + 5954^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220546141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220544141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110273070 + 110273071.

It is an arithmetic number, because the mean of its divisors is an integer number (110273071).

Almost surely, 2^220546141 is an apocalyptic number.

It is an amenable number.

220546141 is a deficient number, since it is larger than the sum of its proper divisors (1).

220546141 is an equidigital number, since it uses as much as digits as its factorization.

220546141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 220546141 is about 14850.7959719336. The cubic root of 220546141 is about 604.1801987446.

The spelling of 220546141 in words is "two hundred twenty million, five hundred forty-six thousand, one hundred forty-one".