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20221010221110 = 2358340919855471
BaseRepresentation
bin1001001100100000100100…
…01000011001100000110110
32122121002221222012000020120
410212100102020121200312
510122300112104033420
6111001223122112410
74154630324633556
oct446202210314066
978532858160216
1020221010221110
116496756122336
122326b734ab706
13b38aaa3860ba
144dc9b8873166
15250edcac5d40
hex126412219836

20221010221110 has 64 divisors (see below), whose sum is σ = 49235216808960. Its totient is φ = 5314276834560.

The previous prime is 20221010221039. The next prime is 20221010221123. The reversal of 20221010221110 is 1112201012202.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20221010221110.

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, 8909326 + ... + 10946145.

It is an arithmetic number, because the mean of its divisors is an integer number (769300262640).

Almost surely, 220221010221110 is an apocalyptic number.

20221010221110 is an abundant number, since it is smaller than the sum of its proper divisors (29014206587850).

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

20221010221110 is a wasteful number, since it uses less digits than its factorization.

20221010221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19855973.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20221010221110 its reverse (1112201012202), we get a palindrome (21333211233312).

The spelling of 20221010221110 in words is "twenty trillion, two hundred twenty-one billion, ten million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 83 166 249 409 415 498 818 830 1227 1245 2045 2454 2490 4090 6135 12270 33947 67894 101841 169735 203682 339470 509205 1018410 19855471 39710942 59566413 99277355 119132826 198554710 297832065 595664130 1648004093 3296008186 4944012279 8120887639 8240020465 9888024558 16241775278 16480040930 24362662917 24720061395 40604438195 48725325834 49440122790 81208876390 121813314585 243626629170 674033674037 1348067348074 2022101022111 3370168370185 4044202044222 6740336740370 10110505110555 20221010221110