220300000981 has 2 divisors, whose sum is σ = 220300000982. Its totient is φ = 220300000980.

The previous prime is 220300000969. The next prime is 220300001021. The reversal of 220300000981 is 189000003022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131671733956 + 88628267025 = 362866^2 + 297705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220300000981 is a prime.

It is a super-2 number, since 2×220300000981² (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 (220300000931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110150000490 + 110150000491.

It is an arithmetic number, because the mean of its divisors is an integer number (110150000491).

Almost surely, 2^220300000981 is an apocalyptic number.

It is an amenable number.

220300000981 is a deficient number, since it is larger than the sum of its proper divisors (1).

220300000981 is an equidigital number, since it uses as much as digits as its factorization.

220300000981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 220300000981 in words is "two hundred twenty billion, three hundred million, nine hundred eighty-one", and thus it is an aban number.