220151 has 2 divisors, whose sum is σ = 220152. Its totient is φ = 220150.

The previous prime is 220147. The next prime is 220163. The reversal of 220151 is 151022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220151 - 2² = 220147 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110075 + 110076.

It is an arithmetic number, because the mean of its divisors is an integer number (110076).

2²²⁰¹⁵¹ is an apocalyptic number.

220151 is a deficient number, since it is larger than the sum of its proper divisors (1).

220151 is an equidigital number, since it uses as much as digits as its factorization.

220151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 220151 is about 469.2025149123. The cubic root of 220151 is about 60.3819157005.

Adding to 220151 its reverse (151022), we get a palindrome (371173).

The spelling of 220151 in words is "two hundred twenty thousand, one hundred fifty-one".