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214020404021020 = 225197159913243001
BaseRepresentation
bin110000101010011010000010…
…001010000000011100011100
31001001210011001221022200020011
4300222122002022000130130
5211023002241412133040
62035103341041333004
763036315061212052
oct6052320212003434
91031704057280204
10214020404021020
11622145a8629a23
1220006708337164
13925606450933c
143abc8ddca81d2
1519b22664133ea
hexc2a68228071c

214020404021020 has 96 divisors (see below), whose sum is σ = 480562056576000. Its totient is φ = 79826685120000.

The previous prime is 214020404020981. The next prime is 214020404021119. The reversal of 214020404021020 is 20120404020412.

It is a junction number, because it is equal to n+sod(n) for n = 214020404020982 and 214020404021000.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9539520 + ... + 22782520.

It is an arithmetic number, because the mean of its divisors is an integer number (5005854756000).

Almost surely, 2214020404021020 is an apocalyptic number.

214020404021020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214020404021020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240281028288000).

214020404021020 is an abundant number, since it is smaller than the sum of its proper divisors (266541652554980).

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

214020404021020 is a wasteful number, since it uses less digits than its factorization.

214020404021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13243699 (or 13243697 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 214020404021020 its reverse (20120404020412), we get a palindrome (234140808041432).

The spelling of 214020404021020 in words is "two hundred fourteen trillion, twenty billion, four hundred four million, twenty-one thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 71 76 95 142 190 284 355 380 599 710 1198 1349 1420 2396 2698 2995 5396 5990 6745 11381 11980 13490 22762 26980 42529 45524 56905 85058 113810 170116 212645 227620 425290 808051 850580 1616102 3232204 4040255 8080510 13243001 16161020 26486002 52972004 66215005 132430010 251617019 264860020 503234038 940253071 1006468076 1258085095 1880506142 2516170190 3761012284 4701265355 5032340380 7932557599 9402530710 15865115198 17864808349 18805061420 31730230396 35729616698 39662787995 71459233396 79325575990 89324041745 150718594381 158651151980 178648083490 301437188762 357296166980 563211589529 602874377524 753592971905 1126423179058 1507185943810 2252846358116 2816057947645 3014371887620 5632115895290 10701020201051 11264231790580 21402040402102 42804080804204 53505101005255 107010202010510 214020404021020