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20122101011000 = 2353232917929983
BaseRepresentation
bin1001001001101000010101…
…01011101101001000111000
32122020122122211001112102102
410210310022223231020320
510114140030324323000
6110443544322322532
74144526264341532
oct444641253551070
978218584045372
1020122101011000
11645880a49088a
12230b96aab9448
13b2c676851181
144d7cb4634852
1524d64e5033d5
hex124d0aaed238

20122101011000 has 128 divisors (see below), whose sum is σ = 49136244019200. Its totient is φ = 7698370204800.

The previous prime is 20122101010961. The next prime is 20122101011041. The reversal of 20122101011000 is 11010122102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 671102009 + ... + 671131991.

It is an arithmetic number, because the mean of its divisors is an integer number (383876906400).

Almost surely, 220122101011000 is an apocalyptic number.

20122101011000 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 20122101011000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24568122009600).

20122101011000 is an abundant number, since it is smaller than the sum of its proper divisors (29014143008200).

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

20122101011000 is a wasteful number, since it uses less digits than its factorization.

20122101011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59206 (or 59192 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20122101011000 its reverse (11010122102), we get a palindrome (20133111133102).

The spelling of 20122101011000 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, eleven thousand".

Divisors: 1 2 4 5 8 10 20 23 25 40 46 50 92 100 115 125 184 200 230 250 460 500 575 920 1000 1150 2300 2875 4600 5750 11500 23000 29179 29983 58358 59966 116716 119932 145895 149915 233432 239864 291790 299830 583580 599660 671117 689609 729475 749575 1167160 1199320 1342234 1379218 1458950 1499150 2684468 2758436 2917900 2998300 3355585 3448045 3647375 3747875 5368936 5516872 5835800 5996600 6711170 6896090 7294750 7495750 13422340 13792180 14589500 14991500 16777925 17240225 26844680 27584360 29179000 29983000 33555850 34480450 67111700 68960900 83889625 86201125 134223400 137921800 167779250 172402250 335558500 344804500 671117000 689609000 874873957 1749747914 3499495828 4374369785 6998991656 8748739570 17497479140 20122101011 21871848925 34994958280 40244202022 43743697850 80488404044 87487395700 100610505055 109359244625 160976808088 174974791400 201221010110 218718489250 402442020220 437436978500 503052525275 804884040440 874873957000 1006105050550 2012210101100 2515262626375 4024420202200 5030525252750 10061050505500 20122101011000