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20020102211001 = 31512571138315107
BaseRepresentation
bin1001000110101010010110…
…00101001010010110111001
32121212220101100022122001010
410203111023011022112321
510111002132131223001
6110325035154144133
74134255540010014
oct443251305122671
977786340278033
1020020102211001
116419528858762
1222b4043882049
13b22b6cbc7649
144d2d99d4c37b
1524ab7ea918d6
hex12354b14a5b9

20020102211001 has 32 divisors (see below), whose sum is σ = 26978956535808. Its totient is φ = 13204722585600.

The previous prime is 20020102210993. The next prime is 20020102211023. The reversal of 20020102211001 is 10011220102002.

It is not a de Polignac number, because 20020102211001 - 23 = 20020102210993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020102211701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1325212690 + ... + 1325227796.

It is an arithmetic number, because the mean of its divisors is an integer number (843092391744).

Almost surely, 220020102211001 is an apocalyptic number.

It is an amenable number.

20020102211001 is a deficient number, since it is larger than the sum of its proper divisors (6958854324807).

20020102211001 is a wasteful number, since it uses less digits than its factorization.

20020102211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26901.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020102211001 its reverse (10011220102002), we get a palindrome (30031322313003).

The spelling of 20020102211001 in words is "twenty trillion, twenty billion, one hundred two million, two hundred eleven thousand, one".

Divisors: 1 3 151 257 453 771 11383 15107 34149 38807 45321 116421 1718833 2281157 2925431 3882499 5156499 6843471 8776293 11647497 171962981 441740081 515888943 586257349 1325220243 1758772047 25966410131 44194486117 77899230393 132583458351 6673367403667 20020102211001