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20020102110211 = 71271153138114143
BaseRepresentation
bin1001000110101010010110…
…00100110001110000000011
32121212220101100010111210011
410203111023010301300003
510111002132120011321
6110325035152045351
74134255536110120
oct443251304616003
977786340114704
1020020102110211
116419528799a65
1222b4043833857
13b22b6cb907c8
144d2d99d23747
1524ab7ea71ae1
hex12354b131c03

20020102110211 has 32 divisors (see below), whose sum is σ = 23098621165568. Its totient is φ = 16996683755520.

The previous prime is 20020102110191. The next prime is 20020102110247. The reversal of 20020102110211 is 11201120102002.

It is not a de Polignac number, because 20020102110211 - 211 = 20020102108163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020102110191 and 20020102110200.

It is not an unprimeable number, because it can be changed into a prime (20020102110251) 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, 1415541406 + ... + 1415555548.

It is an arithmetic number, because the mean of its divisors is an integer number (721831911424).

Almost surely, 220020102110211 is an apocalyptic number.

20020102110211 is a deficient number, since it is larger than the sum of its proper divisors (3078519055357).

20020102110211 is a wasteful number, since it uses less digits than its factorization.

20020102110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16811.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20020102110211 its reverse (11201120102002), we get a palindrome (31221222212213).

The spelling of 20020102110211 in words is "twenty trillion, twenty billion, one hundred two million, one hundred ten thousand, two hundred eleven".

Divisors: 1 7 127 889 1153 1381 8071 9667 14143 99001 146431 175387 1025017 1227709 1592293 1796161 11146051 12573127 16306879 19531483 114148153 136720381 202221211 1415548477 2070973633 2480498341 14496815431 17363488387 22519799899 157638599293 2860014587173 20020102110211