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20010202220022 = 23721792897131251
BaseRepresentation
bin1001000110010111111001…
…11111101100010111110110
32121211221211101201222111120
410203023330333230113312
510110321343232020042
6110320320543044410
74133455315325400
oct443137477542766
977757741658446
1020010202220022
116415308540a33
1222b21402a0706
13b21c52b54b11
144d26db1bdb70
1524a7a088adec
hex1232fcfec5f6

20010202220022 has 96 divisors (see below), whose sum is σ = 46830944603520. Its totient is φ = 5683255200000.

The previous prime is 20010202220011. The next prime is 20010202220027. The reversal of 20010202220022 is 22002220201002.

It is a junction number, because it is equal to n+sod(n) for n = 20010202219983 and 20010202220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010202220027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152391897 + ... + 152523147.

It is an arithmetic number, because the mean of its divisors is an integer number (487822339620).

Almost surely, 220010202220022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20010202220022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23415472301760).

20010202220022 is an abundant number, since it is smaller than the sum of its proper divisors (26820742383498).

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

20010202220022 is a wasteful number, since it uses less digits than its factorization.

20010202220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134346 (or 134339 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 20010202220022 its reverse (22002220201002), we get a palindrome (42012422421024).

The spelling of 20010202220022 in words is "twenty trillion, ten billion, two hundred two million, two hundred twenty thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 179 294 358 537 1074 1253 2506 2897 3759 5794 7518 8691 8771 17382 17542 20279 26313 40558 52626 60837 121674 131251 141953 262502 283906 393753 425859 518563 787506 851718 918757 1037126 1555689 1837514 2756271 3111378 3629941 5512542 6431299 7259882 10889823 12862598 19293897 21779646 23493929 25409587 38587794 46987858 50819174 70481787 76228761 140963574 152457522 164457503 328915006 380234147 493372509 760468294 986745018 1140702441 1151202521 2281404882 2302405042 2661639029 3453607563 5323278058 6907215126 7984917087 15969834174 18631473203 37262946406 55894419609 68061912313 111788839218 136123824626 204185736939 408371473878 476433386191 952866772382 1429300158573 2858600317146 3335033703337 6670067406674 10005101110011 20010202220022