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220402444203973 is a prime number
BaseRepresentation
bin110010000111010001110001…
…011001001111011111000101
31001220101021020021212100202001
4302013101301121033133011
5212342033201204011343
62100431252435345301
764265360013541513
oct6207216131173705
91056337207770661
10220402444203973
1164255173967369
1220877578752231
1395c9b273a5a95
143c5d76c8cd4b3
151a732901c744d
hexc8747164f7c5

220402444203973 has 2 divisors, whose sum is σ = 220402444203974. Its totient is φ = 220402444203972.

The previous prime is 220402444203941. The next prime is 220402444204121. The reversal of 220402444203973 is 379302444204022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184822447983364 + 35579996220609 = 13594942^2 + 5964897^2 .

It is a cyclic number.

It is not a de Polignac number, because 220402444203973 - 25 = 220402444203941 is a prime.

It is a super-2 number, since 2×2204024442039732 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220402444203173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110201222101986 + 110201222101987.

It is an arithmetic number, because the mean of its divisors is an integer number (110201222101987).

Almost surely, 2220402444203973 is an apocalyptic number.

It is an amenable number.

220402444203973 is a deficient number, since it is larger than the sum of its proper divisors (1).

220402444203973 is an equidigital number, since it uses as much as digits as its factorization.

220402444203973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 46.

Adding to 220402444203973 its reverse (379302444204022), we get a palindrome (599704888407995).

The spelling of 220402444203973 in words is "two hundred twenty trillion, four hundred two billion, four hundred forty-four million, two hundred three thousand, nine hundred seventy-three".