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20320462655332 = 22761128914516361
BaseRepresentation
bin1001001111011001110011…
…11101010100111101100100
32122221121122222111010110021
410213230321331110331210
510130412301414432312
6111115031445004524
74165051002446440
oct447547175247544
978847588433407
1020320462655332
116524950463134
1223422a99b3744
13b452995c8308
14503730cb9820
152538adbedc07
hex127b39f54f64

20320462655332 has 96 divisors (see below), whose sum is σ = 41374209381120. Its totient is φ = 8552113920000.

The previous prime is 20320462655279. The next prime is 20320462655369. The reversal of 20320462655332 is 23355626402302.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3194535832 + ... + 3194542192.

It is an arithmetic number, because the mean of its divisors is an integer number (430981347720).

Almost surely, 220320462655332 is an apocalyptic number.

It is an amenable number.

20320462655332 is an abundant number, since it is smaller than the sum of its proper divisors (21053746725788).

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

20320462655332 is a wasteful number, since it uses less digits than its factorization.

20320462655332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173 (or 9171 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 20320462655332 in words is "twenty trillion, three hundred twenty billion, four hundred sixty-two million, six hundred fifty-five thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 61 122 244 427 854 1289 1451 1708 2578 2902 5156 5804 6361 9023 10157 12722 18046 20314 25444 36092 40628 44527 78629 88511 89054 157258 177022 178108 314516 354044 388021 550403 619577 776042 1100806 1239154 1552084 1870339 2201612 2478308 2716147 3740678 5432294 7481356 8199329 9229811 10864588 13092373 16398658 18459622 26184746 32797316 36919244 52369492 57395303 64608677 114090679 114790606 129217354 228181358 229581212 258434708 456362716 500159069 563018471 798634753 1000318138 1126036942 1597269506 2000636276 2252073884 3194539012 3501113483 3941129297 7002226966 7882258594 11897226379 14004453932 15764517188 23794452758 47588905516 83280584653 166561169306 333122338612 725730809119 1451461618238 2902923236476 5080115663833 10160231327666 20320462655332