220000230181 has 2 divisors, whose sum is σ = 220000230182. Its totient is φ = 220000230180.

The previous prime is 220000230137. The next prime is 220000230271. The reversal of 220000230181 is 181032000022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 167497840225 + 52502389956 = 409265^2 + 229134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220000230181 is a prime.

It is a super-2 number, since 2×220000230181² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220000230781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110000115090 + 110000115091.

It is an arithmetic number, because the mean of its divisors is an integer number (110000115091).

Almost surely, 2^220000230181 is an apocalyptic number.

It is an amenable number.

220000230181 is a deficient number, since it is larger than the sum of its proper divisors (1).

220000230181 is an equidigital number, since it uses as much as digits as its factorization.

220000230181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

The spelling of 220000230181 in words is "two hundred twenty billion, two hundred thirty thousand, one hundred eighty-one".