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2020400011140 = 2235719724418661
BaseRepresentation
bin11101011001101001001…
…110011001011110000100
321011011000011001210100020
4131121221032121132010
5231100234400324030
64144054200015140
7265653252511140
oct35315116313604
97134004053306
102020400011140
11709935153125
12287697a614b0
131186a4a85694
146db05d40220
153784de10510
hex1d669399784

2020400011140 has 96 divisors (see below), whose sum is σ = 6498098982144. Its totient is φ = 459461506560.

The previous prime is 2020400011127. The next prime is 2020400011141. The reversal of 2020400011140 is 411100040202.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2020400011141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12126591 + ... + 12292070.

It is an arithmetic number, because the mean of its divisors is an integer number (67688531064).

Almost surely, 22020400011140 is an apocalyptic number.

2020400011140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020400011140 is an abundant number, since it is smaller than the sum of its proper divisors (4477698971004).

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

2020400011140 is a wasteful number, since it uses less digits than its factorization.

2020400011140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24418877 (or 24418875 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2020400011140 its reverse (411100040202), we get a palindrome (2431500051342).

The spelling of 2020400011140 in words is "two trillion, twenty billion, four hundred million, eleven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 197 210 394 420 591 788 985 1182 1379 1970 2364 2758 2955 3940 4137 5516 5910 6895 8274 11820 13790 16548 20685 27580 41370 82740 24418661 48837322 73255983 97674644 122093305 146511966 170930627 244186610 293023932 341861254 366279915 488373220 512791881 683722508 732559830 854653135 1025583762 1465119660 1709306270 2051167524 2563959405 3418612540 4810476217 5127918810 9620952434 10255837620 14431428651 19241904868 24052381085 28862857302 33673333519 48104762170 57725714604 67346667038 72157143255 96209524340 101020000557 134693334076 144314286510 168366667595 202040001114 288628573020 336733335190 404080002228 505100002785 673466670380 1010200005570 2020400011140