220138363 has 2 divisors, whose sum is σ = 220138364. Its totient is φ = 220138362.

The previous prime is 220138361. The next prime is 220138367. The reversal of 220138363 is 363831022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220138363 - 2¹ = 220138361 is a prime.

Together with 220138361, it forms a pair of twin primes.

It is equal to p_12129715 and since 220138363 and 12129715 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (220138361) 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, 110069181 + 110069182.

It is an arithmetic number, because the mean of its divisors is an integer number (110069182).

Almost surely, 2^220138363 is an apocalyptic number.

220138363 is a deficient number, since it is larger than the sum of its proper divisors (1).

220138363 is an equidigital number, since it uses as much as digits as its factorization.

220138363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 220138363 is about 14837.0604568425. The cubic root of 220138363 is about 603.8076034068.

Adding to 220138363 its reverse (363831022), we get a palindrome (583969385).

The spelling of 220138363 in words is "two hundred twenty million, one hundred thirty-eight thousand, three hundred sixty-three".