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20352320550160 = 2451731482740051
BaseRepresentation
bin1001010000010101001001…
…10101100011010100010000
32200001122220012201212101221
410220022210311203110100
510131423023030101120
6111141421010134424
74200256322211334
oct450124465432420
980048805655357
1020352320550160
116537409404035
1223484bab81414
13b482a5871161
145050b3d8b7c4
152546259ba0aa
hex1282a4d63510

20352320550160 has 80 divisors (see below), whose sum is σ = 51718838211072. Its totient is φ = 7414887168000.

The previous prime is 20352320550157. The next prime is 20352320550169. The reversal of 20352320550160 is 6105502325302.

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

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (20352320550169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241327866 + ... + 241412185.

Almost surely, 220352320550160 is an apocalyptic number.

20352320550160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20352320550160 is an abundant number, since it is smaller than the sum of its proper divisors (31366517660912).

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

20352320550160 is a wasteful number, since it uses less digits than its factorization.

20352320550160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482740112 (or 482740106 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 20352320550160 its reverse (6105502325302), we get a palindrome (26457822875462).

The spelling of 20352320550160 in words is "twenty trillion, three hundred fifty-two billion, three hundred twenty million, five hundred fifty thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 16 17 20 31 34 40 62 68 80 85 124 136 155 170 248 272 310 340 496 527 620 680 1054 1240 1360 2108 2480 2635 4216 5270 8432 10540 21080 42160 482740051 965480102 1930960204 2413700255 3861920408 4827400510 7723840816 8206580867 9654801020 14964941581 16413161734 19309602040 29929883162 32826323468 38619204080 41032904335 59859766324 65652646936 74824707905 82065808670 119719532648 131305293872 149649415810 164131617340 239439065296 254404006877 299298831620 328263234680 508808013754 598597663240 656526469360 1017616027508 1197195326480 1272020034385 2035232055016 2544040068770 4070464110032 5088080137540 10176160275080 20352320550160