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20020122321101 = 719237763326561
BaseRepresentation
bin1001000110101010011000…
…10001111000000011001101
32121212220102202011022220122
410203111030101320003031
510111002202303233401
6110325041153154325
74134256202645030
oct443251421700315
977786382138818
1020020122321101
116419539143781
1222b404a55b9a5
13b22b74118c06
144d2d9c8a5017
1524ab8171521b
hex12354c4780cd

20020122321101 has 16 divisors (see below), whose sum is σ = 24094490309760. Its totient is φ = 16250101908480.

The previous prime is 20020122321061. The next prime is 20020122321107. The reversal of 20020122321101 is 10112322102002.

It is a cyclic number.

It is not a de Polignac number, because 20020122321101 - 218 = 20020122058957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20020122321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020122321107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31347140 + ... + 31979421.

It is an arithmetic number, because the mean of its divisors is an integer number (1505905644360).

Almost surely, 220020122321101 is an apocalyptic number.

It is an amenable number.

20020122321101 is a deficient number, since it is larger than the sum of its proper divisors (4074367988659).

20020122321101 is a wasteful number, since it uses less digits than its factorization.

20020122321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63328964.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20020122321101 its reverse (10112322102002), we get a palindrome (30132444423103).

The spelling of 20020122321101 in words is "twenty trillion, twenty billion, one hundred twenty-two million, three hundred twenty-one thousand, one hundred one".

Divisors: 1 7 19 133 2377 16639 45163 316141 63326561 443285927 1203204659 8422432613 150527235497 1053690648479 2860017474443 20020122321101