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20322311312011 = 431399337821223
BaseRepresentation
bin1001001111011101010000…
…01001011001001010001011
32122221210102211001121200011
410213232220021121022023
510130430043143441021
6111115535124052351
74165144550665162
oct447565011311213
978853384047604
1020322311312011
116525709a30275
122342724b340b7
13b455025c31c7
1450386861a3d9
1525396b168de1
hex127ba825928b

20322311312011 has 8 divisors (see below), whose sum is σ = 20809787398400. Its totient is φ = 19835510870952.

The previous prime is 20322311311993. The next prime is 20322311312041. The reversal of 20322311312011 is 11021311322302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20322311312011 - 239 = 19772555498123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20322311312041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168850455 + ... + 168970768.

It is an arithmetic number, because the mean of its divisors is an integer number (2601223424800).

Almost surely, 220322311312011 is an apocalyptic number.

20322311312011 is a deficient number, since it is larger than the sum of its proper divisors (487476086389).

20322311312011 is a wasteful number, since it uses less digits than its factorization.

20322311312011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337822665.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20322311312011 its reverse (11021311322302), we get a palindrome (31343622634313).

The spelling of 20322311312011 in words is "twenty trillion, three hundred twenty-two billion, three hundred eleven million, three hundred twelve thousand, eleven".

Divisors: 1 43 1399 60157 337821223 14526312589 472611890977 20322311312011