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20330221113340 = 22567113134263777
BaseRepresentation
bin1001001111101011111111…
…00110111000111111111100
32122222112212001202011020221
410213311333212320333330
510131042243101111330
6111123324042351124
74165544555124355
oct447657746707774
978875761664227
1020330221113340
116528aa88a1066
122344171abb4a4
13b46193244b18
14503db8d24d2c
15253c80798b7a
hex127d7f9b8ffc

20330221113340 has 48 divisors (see below), whose sum is σ = 43714137896352. Its totient is φ = 7939822657536.

The previous prime is 20330221113329. The next prime is 20330221113361. The reversal of 20330221113340 is 4331112203302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66980469 + ... + 67283308.

It is an arithmetic number, because the mean of its divisors is an integer number (910711206174).

Almost surely, 220330221113340 is an apocalyptic number.

20330221113340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20330221113340 is an abundant number, since it is smaller than the sum of its proper divisors (23383916783012).

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

20330221113340 is a wasteful number, since it uses less digits than its factorization.

20330221113340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134263966 (or 134263964 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20330221113340 its reverse (4331112203302), we get a palindrome (24661333316642).

The spelling of 20330221113340 in words is "twenty trillion, three hundred thirty billion, two hundred twenty-one million, one hundred thirteen thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 67 113 134 226 268 335 452 565 670 1130 1340 2260 7571 15142 30284 37855 75710 151420 134263777 268527554 537055108 671318885 1342637770 2685275540 8995673059 15171806801 17991346118 30343613602 35982692236 44978365295 60687227204 75859034005 89956730590 151718068010 179913461180 303436136020 1016511055667 2033022111334 4066044222668 5082555278335 10165110556670 20330221113340