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20322031541013 = 3277319081153089
BaseRepresentation
bin1001001111011100101110…
…11110001001101100010101
32122221202201022121210000100
410213232113132021230111
510130424010033303023
6111115451251404313
74165134612660246
oct447562736115425
978852638553010
1020322031541013
116525586013174
1223426672b3699
13b45489658b37
1450383d3d0ccd
15253951803c43
hex127b97789b15

20322031541013 has 24 divisors (see below), whose sum is σ = 29393752129560. Its totient is φ = 13529696993280.

The previous prime is 20322031540963. The next prime is 20322031541029. The reversal of 20322031541013 is 31014513022302.

20322031541013 is a `hidden beast` number, since 2 + 0 + 3 + 220 + 3 + 15 + 410 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 357595628049 + 19964435912964 = 597993^2 + 4468158^2 .

It is not a de Polignac number, because 20322031541013 - 218 = 20322031278869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20322031541093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132669973 + ... + 132823061.

It is an arithmetic number, because the mean of its divisors is an integer number (1224739672065).

Almost surely, 220322031541013 is an apocalyptic number.

It is an amenable number.

20322031541013 is a deficient number, since it is larger than the sum of its proper divisors (9071720588547).

20322031541013 is a wasteful number, since it uses less digits than its factorization.

20322031541013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172949 (or 172946 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 20322031541013 its reverse (31014513022302), we get a palindrome (51336544563315).

The spelling of 20322031541013 in words is "twenty trillion, three hundred twenty-two billion, thirty-one million, five hundred forty-one thousand, thirteen".

Divisors: 1 3 9 773 2319 6957 19081 57243 153089 171729 459267 1377801 14749613 44248839 118337797 132746517 355013391 1065040173 2921091209 8763273627 26289820881 2258003504557 6774010513671 20322031541013