Search a number
-
+
20220202049 is a prime number
BaseRepresentation
bin10010110101001101…
…111100110001000001
31221012011212200200012
4102311031330301001
5312402332431144
613142233034305
71314034611245
oct226515746101
957164780605
1020220202049
118636860093
123b03855995
131ba31b62c8
14d9b646425
157d5265e9e
hex4b537cc41

20220202049 has 2 divisors, whose sum is σ = 20220202050. Its totient is φ = 20220202048.

The previous prime is 20220202031. The next prime is 20220202081. The reversal of 20220202049 is 94020202202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10173748225 + 10046453824 = 100865^2 + 100232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20220202049 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220202099) 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, 10110101024 + 10110101025.

It is an arithmetic number, because the mean of its divisors is an integer number (10110101025).

Almost surely, 220220202049 is an apocalyptic number.

It is an amenable number.

20220202049 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220202049 is an equidigital number, since it uses as much as digits as its factorization.

20220202049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The spelling of 20220202049 in words is "twenty billion, two hundred twenty million, two hundred two thousand, forty-nine".