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20000000012211 = 337319515200991
BaseRepresentation
bin1001000110000100111001…
…11001010110111110110011
32121210222111101111010102000
410203002130321112332303
510110140000000342321
6110311512334225043
74132644434102322
oct443023471267663
977728441433360
1020000000012211
116410a5267622a
1222b0173655183
13b20cb82b946b
144d20102620b9
1524a3a4d89826
hex12309ce56fb3

20000000012211 has 32 divisors (see below), whose sum is σ = 30050915696640. Its totient is φ = 13143941928000.

The previous prime is 20000000012203. The next prime is 20000000012231. The reversal of 20000000012211 is 11221000000002.

It is not a de Polignac number, because 20000000012211 - 23 = 20000000012203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000000012193 and 20000000012202.

It is not an unprimeable number, because it can be changed into a prime (20000000012231) 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, 1244926 + ... + 6445916.

It is an arithmetic number, because the mean of its divisors is an integer number (939091115520).

Almost surely, 220000000012211 is an apocalyptic number.

20000000012211 is a deficient number, since it is larger than the sum of its proper divisors (10050915684429).

20000000012211 is a wasteful number, since it uses less digits than its factorization.

20000000012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5203024 (or 5203018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000000012211 its reverse (11221000000002), we get a palindrome (31221000012213).

The spelling of 20000000012211 in words is "twenty trillion, twelve thousand, two hundred eleven".

Divisors: 1 3 9 27 73 219 657 1951 1971 5853 17559 52677 142423 427269 1281807 3845421 5200991 15602973 46808919 140426757 379672343 1139017029 3417051087 10147133441 10251153261 30441400323 91324200969 273972602907 740740741193 2222222223579 6666666670737 20000000012211