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20102203221310 = 25717432749142907
BaseRepresentation
bin1001001001000011010001…
…01011101010010100111110
32122011202022002212002100201
410210201220223222110332
510113323303011040220
6110430454043514114
74143223223044060
oct444415053522476
978152262762321
1020102203221310
1164503297229a1
122307b3722893a
13b2a8253b2112
144d6d47b57730
1524cd87726d0a
hex124868aea53e

20102203221310 has 128 divisors (see below), whose sum is σ = 44820521856000. Its totient is φ = 6333557336064.

The previous prime is 20102203221281. The next prime is 20102203221311. The reversal of 20102203221310 is 1312230220102.

It is a super-2 number, since 2×201022032213102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102203221311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140594877 + ... + 140737783.

It is an arithmetic number, because the mean of its divisors is an integer number (350160327000).

Almost surely, 220102203221310 is an apocalyptic number.

20102203221310 is an abundant number, since it is smaller than the sum of its proper divisors (24718318634690).

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

20102203221310 is a wasteful number, since it uses less digits than its factorization.

20102203221310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145730.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20102203221310 its reverse (1312230220102), we get a palindrome (21414433441412).

The spelling of 20102203221310 in words is "twenty trillion, one hundred two billion, two hundred three million, two hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 17 34 35 43 70 85 86 119 170 215 238 301 430 595 602 731 1190 1462 1505 2749 3010 3655 5117 5498 7310 10234 13745 19243 25585 27490 38486 46733 51170 93466 96215 118207 142907 192430 233665 236414 285814 327131 467330 591035 654262 714535 827449 1000349 1182070 1429070 1635655 1654898 2000698 2009519 2429419 3271310 4019038 4137245 4858838 5001745 6145001 8274490 10003490 10047595 12147095 12290002 14066633 17005933 20095190 24294190 28133266 30725005 34011866 43015007 61450010 70333165 85029665 86030014 104465017 140666330 170059330 208930034 215075035 392851343 430150070 522325085 731255119 785702686 1044650170 1462510238 1964256715 2749959401 3656275595 3928513430 5499918802 6678472831 7312551190 13356945662 13749797005 16892607749 27499594010 33392364155 33785215498 46749309817 66784728310 84463038745 93498619634 118248254243 168926077490 233746549085 236496508486 287174331733 467493098170 574348663466 591241271215 1182482542430 1435871658665 2010220322131 2871743317330 4020440644262 10051101610655 20102203221310