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220220102213 is a prime number
BaseRepresentation
bin1100110100011000100…
…1000001011001000101
3210001102111222022012222
43031012021001121011
512102002321232323
6245100121022125
721624154661216
oct3150611013105
9701374868188
10220220102213
1185438563281
123681b324945
13179c749bbb7
14a9316dd40d
155add6ba9c8
hex3346241645

220220102213 has 2 divisors, whose sum is σ = 220220102214. Its totient is φ = 220220102212.

The previous prime is 220220102191. The next prime is 220220102239. The reversal of 220220102213 is 312201022022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 156169603489 + 64050498724 = 395183^2 + 253082^2 .

It is a cyclic number.

It is not a de Polignac number, because 220220102213 - 212 = 220220098117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 220220102191 and 220220102200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220220102413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110051106 + 110110051107.

It is an arithmetic number, because the mean of its divisors is an integer number (110110051107).

Almost surely, 2220220102213 is an apocalyptic number.

It is an amenable number.

220220102213 is a deficient number, since it is larger than the sum of its proper divisors (1).

220220102213 is an equidigital number, since it uses as much as digits as its factorization.

220220102213 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 17.

Adding to 220220102213 its reverse (312201022022), we get a palindrome (532421124235).

The spelling of 220220102213 in words is "two hundred twenty billion, two hundred twenty million, one hundred two thousand, two hundred thirteen".