20000220022249 has 2 divisors, whose sum is σ = 20000220022250. Its totient is φ = 20000220022248.

The previous prime is 20000220022247. The next prime is 20000220022303. The reversal of 20000220022249 is 94222002200002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15861843532249 + 4138376490000 = 3982693^2 + 2034300^2 .

It is a cyclic number.

It is not a de Polignac number, because 20000220022249 - 2¹ = 20000220022247 is a prime.

Together with 20000220022247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20000220022247) 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, 10000110011124 + 10000110011125.

It is an arithmetic number, because the mean of its divisors is an integer number (10000110011125).

Almost surely, 2^{20000220022249} is an apocalyptic number.

It is an amenable number.

20000220022249 is a deficient number, since it is larger than the sum of its proper divisors (1).

20000220022249 is an equidigital number, since it uses as much as digits as its factorization.

20000220022249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

It can be divided in two parts, 200002200 and 22249, that added together give a square (200024449 = 14143²).

The spelling of 20000220022249 in words is "twenty trillion, two hundred twenty million, twenty-two thousand, two hundred forty-nine".