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20122021000112 = 2419139791960133
BaseRepresentation
bin1001001001101000001011…
…11010011111001110110000
32122020122110020111120010012
410210310011322133032300
510114134344334000422
6110443532343354052
74144524303301613
oct444640572371660
978218406446105
1020122021000112
116458779302489
12230b948152928
13b2c6630b8b55
144d7ca7b6817a
1524d64749b4e2
hex124d05e9f3b0

20122021000112 has 80 divisors (see below), whose sum is σ = 41339479104000. Its totient is φ = 9461559497472.

The previous prime is 20122021000073. The next prime is 20122021000177. The reversal of 20122021000112 is 21100012022102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334595198 + ... + 334655330.

It is an arithmetic number, because the mean of its divisors is an integer number (516743488800).

Almost surely, 220122021000112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20122021000112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20669739552000).

20122021000112 is an abundant number, since it is smaller than the sum of its proper divisors (21217458103888).

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

20122021000112 is a wasteful number, since it uses less digits than its factorization.

20122021000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68218 (or 68212 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20122021000112 its reverse (21100012022102), we get a palindrome (41222033022214).

The spelling of 20122021000112 in words is "twenty trillion, one hundred twenty-two billion, twenty-one million, one hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 8 16 19 38 76 139 152 278 304 556 1112 2224 2641 5282 7919 10564 15838 21128 31676 42256 60133 63352 120266 126704 150461 240532 300922 481064 601844 962128 1100741 1142527 1203688 2201482 2285054 2407376 4402964 4570108 8358487 8805928 9140216 16716974 17611856 18280432 20914079 33433948 41828158 66867896 83656316 133735792 158811253 167312632 317622506 334625264 476193227 635245012 952386454 1270490024 1904772908 2540980048 3809545816 7619091632 9047671313 18095342626 36190685252 66190858553 72381370504 132381717106 144762741008 264763434212 529526868424 1059053736848 1257626312507 2515252625014 5030505250028 10061010500056 20122021000112