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20722450755001 is a prime number
BaseRepresentation
bin1001011011000110100100…
…10100001110110110111001
32201101001021020000102111011
410231203102110032312321
510204004034343130001
6112023432405033521
74236101435066422
oct455432224166671
981331236012434
1020722450755001
11666a384244206
1223a81969b58a1
13b74170aa5198
14518d8711a649
1525e089e08d51
hex12d8d250edb9

20722450755001 has 2 divisors, whose sum is σ = 20722450755002. Its totient is φ = 20722450755000.

The previous prime is 20722450754987. The next prime is 20722450755023. The reversal of 20722450755001 is 10055705422702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20614315009401 + 108135745600 = 4540299^2 + 328840^2 .

It is a cyclic number.

It is not a de Polignac number, because 20722450755001 - 25 = 20722450754969 is a prime.

It is not a weakly prime, because it can be changed into another prime (20722450755031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10361225377500 + 10361225377501.

It is an arithmetic number, because the mean of its divisors is an integer number (10361225377501).

Almost surely, 220722450755001 is an apocalyptic number.

It is an amenable number.

20722450755001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20722450755001 is an equidigital number, since it uses as much as digits as its factorization.

20722450755001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 20722450755001 in words is "twenty trillion, seven hundred twenty-two billion, four hundred fifty million, seven hundred fifty-five thousand, one".