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20774336743120 = 2451021741134319
BaseRepresentation
bin1001011100100111001101…
…11101100100011011010000
32201120000012020122201102211
410232103212331210123100
510210331320201234440
6112103333141521504
74242616300523002
oct456234675443320
981500166581384
1020774336743120
11668a38a562024
1223b6257413294
13b7901c4b0abc
1451b6aa108372
152605c513eeea
hex12e4e6f646d0

20774336743120 has 80 divisors (see below), whose sum is σ = 48355572545280. Its totient is φ = 8300233843200.

The previous prime is 20774336743033. The next prime is 20774336743129. The reversal of 20774336743120 is 2134763347702.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20774336743129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605313321 + ... + 605347639.

It is an arithmetic number, because the mean of its divisors is an integer number (604444656816).

Almost surely, 220774336743120 is an apocalyptic number.

20774336743120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20774336743120 is an abundant number, since it is smaller than the sum of its proper divisors (27581235802160).

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

20774336743120 is a wasteful number, since it uses less digits than its factorization.

20774336743120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42764 (or 42758 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 49.

The spelling of 20774336743120 in words is "twenty trillion, seven hundred seventy-four billion, three hundred thirty-six million, seven hundred forty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1021 2042 4084 5105 7411 8168 10210 14822 16336 20420 29644 34319 37055 40840 59288 68638 74110 81680 118576 137276 148220 171595 274552 296440 343190 549104 592880 686380 1372760 2745520 7566631 15133262 30266524 35039699 37833155 60533048 70079398 75666310 121066096 140158796 151332620 175198495 254338109 280317592 302665240 350396990 508676218 560635184 605330480 700793980 1017352436 1271690545 1401587960 2034704872 2543381090 2803175920 4069409744 5086762180 10173524360 20347048720 259679209289 519358418578 1038716837156 1298396046445 2077433674312 2596792092890 4154867348624 5193584185780 10387168371560 20774336743120