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20011011202212 = 2232388769811373
BaseRepresentation
bin1001000110011001011010…
…01101101101110010100100
32121212000220202222112102220
410203030231031231302210
510110330022331432322
6110320533122232340
74133514340502142
oct443145515556244
977760822875386
1020011011202212
116415693157258
1222b23271b56b0
13b220516311c4
144d2776806592
1524a7eb8d955c
hex12332d36dca4

20011011202212 has 24 divisors (see below), whose sum is σ = 46694314859136. Its totient is φ = 6670057726368.

The previous prime is 20011011202201. The next prime is 20011011202241. The reversal of 20011011202212 is 21220211011002.

It is a junction number, because it is equal to n+sod(n) for n = 20011011202191 and 20011011202200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34619043 + ... + 35192330.

It is an arithmetic number, because the mean of its divisors is an integer number (1945596452464).

Almost surely, 220011011202212 is an apocalyptic number.

It is an amenable number.

20011011202212 is an abundant number, since it is smaller than the sum of its proper divisors (26683303656924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011011202212 is a wasteful number, since it uses less digits than its factorization.

20011011202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69835267 (or 69835265 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20011011202212 its reverse (21220211011002), we get a palindrome (41231222213214).

The spelling of 20011011202212 in words is "twenty trillion, eleven billion, eleven million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 23887 47774 71661 95548 143322 286644 69811373 139622746 209434119 279245492 418868238 837736476 1667584266851 3335168533702 5002752800553 6670337067404 10005505601106 20011011202212