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BaseRepresentation
bin1001010010111111011110…
…00100001111011110110001
32200101101220210121210121212
410221133233010033132301
510134422310104301043
6111251422255525505
74210004302515224
oct451375704173661
980341823553555
1020443760228273
116572171754648
122362179b29895
13b53ab8a25075
145096aa1695bb
15256bc8428018
hex1297ef10f7b1

20443760228273 has 2 divisors, whose sum is σ = 20443760228274. Its totient is φ = 20443760228272.

The previous prime is 20443760228267. The next prime is 20443760228357. The reversal of 20443760228273 is 37282206734402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19906695502864 + 537064725409 = 4461692^2 + 732847^2 .

It is a cyclic number.

It is not a de Polignac number, because 20443760228273 - 210 = 20443760227249 is a prime.

It is a super-2 number, since 2×204437602282732 (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20443760248273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10221880114136 + 10221880114137.

It is an arithmetic number, because the mean of its divisors is an integer number (10221880114137).

Almost surely, 220443760228273 is an apocalyptic number.

It is an amenable number.

20443760228273 is a deficient number, since it is larger than the sum of its proper divisors (1).

20443760228273 is an equidigital number, since it uses as much as digits as its factorization.

20443760228273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 50.

The spelling of 20443760228273 in words is "twenty trillion, four hundred forty-three billion, seven hundred sixty million, two hundred twenty-eight thousand, two hundred seventy-three".