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20020011010211 = 172312234625629
BaseRepresentation
bin1001000110101010001011…
…01001010000100010100011
32121212220010222201011002002
410203111011221100202203
510111001440304311321
6110325022135314215
74134253351553342
oct443250551204243
977786128634062
1020020011010211
116419491327203
1222b401921b96b
13b22b57044c94
144d2d8bbabb59
1524ab76a7920b
hex123545a508a3

20020011010211 has 12 divisors (see below), whose sum is σ = 21952962189120. Its totient is φ = 18234545124480.

The previous prime is 20020011010187. The next prime is 20020011010253. The reversal of 20020011010211 is 11201011002002.

It is a de Polignac number, because none of the positive numbers 2k-20020011010211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020011010192 and 20020011010201.

It is not an unprimeable number, because it can be changed into a prime (20020011010411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1117303856 + ... + 1117321773.

It is an arithmetic number, because the mean of its divisors is an integer number (1829413515760).

Almost surely, 220020011010211 is an apocalyptic number.

20020011010211 is a deficient number, since it is larger than the sum of its proper divisors (1932951178909).

20020011010211 is a wasteful number, since it uses less digits than its factorization.

20020011010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234625694 (or 2234625677 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20020011010211 its reverse (11201011002002), we get a palindrome (31221022012213).

The spelling of 20020011010211 in words is "twenty trillion, twenty billion, eleven million, ten thousand, two hundred eleven".

Divisors: 1 17 31 289 527 8959 2234625629 37988635693 69273394499 645806806781 1177647706483 20020011010211