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20302312022320 = 2451012818941859
BaseRepresentation
bin1001001110111000000000…
…00110001010000100110000
32122212212211000212102210011
410213130000012022010300
510130113113334203240
6111102430421544304
74163536134560146
oct447340006120460
978785730772704
1020302312022320
116518186946989
12233a883275094
13b43666106993
145028cc47b596
1525319a4dd6ea
hex12770018a130

20302312022320 has 80 divisors (see below), whose sum is σ = 47839880953440. Its totient is φ = 8011904768000.

The previous prime is 20302312022299. The next prime is 20302312022347. The reversal of 20302312022320 is 2322021320302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 20302312022291 and 20302312022300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200450 + ... + 6741409.

It is an arithmetic number, because the mean of its divisors is an integer number (597998511918).

Almost surely, 220302312022320 is an apocalyptic number.

20302312022320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302312022320 is an abundant number, since it is smaller than the sum of its proper divisors (27537568931120).

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

20302312022320 is a wasteful number, since it uses less digits than its factorization.

20302312022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8942254 (or 8942248 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20302312022320 its reverse (2322021320302), we get a palindrome (22624333342622).

The spelling of 20302312022320 in words is "twenty trillion, three hundred two billion, three hundred twelve million, twenty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 101 202 281 404 505 562 808 1010 1124 1405 1616 2020 2248 2810 4040 4496 5620 8080 11240 22480 28381 56762 113524 141905 227048 283810 454096 567620 1135240 2270480 8941859 17883718 35767436 44709295 71534872 89418590 143069744 178837180 357674360 715348720 903127759 1806255518 2512662379 3612511036 4515638795 5025324758 7225022072 9031277590 10050649516 12563311895 14450044144 18062555180 20101299032 25126623790 36125110360 40202598064 50253247580 72250220720 100506495160 201012990320 253778900279 507557800558 1015115601116 1268894501395 2030231202232 2537789002790 4060462404464 5075578005580 10151156011160 20302312022320