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20003201301210 = 2355943131818243
BaseRepresentation
bin1001000110001010110111…
…01101010011101011011010
32121211021202111021110100020
410203011123231103223122
510110213024013114320
6110313202133051310
74133116655441361
oct443053355235332
977737674243306
1020003201301210
11641234571a016
1222b0907786b36
13b213a85b98ca
144d22354a47d8
1524a4e0e3e940
hex12315bb53ada

20003201301210 has 128 divisors (see below), whose sum is σ = 48955969105920. Its totient is φ = 5229331411200.

The previous prime is 20003201301179. The next prime is 20003201301221. The reversal of 20003201301210 is 1210310230002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20003201301210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2426685349 + ... + 2426693591.

It is an arithmetic number, because the mean of its divisors is an integer number (382468508640).

Almost surely, 220003201301210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20003201301210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24477984552960).

20003201301210 is an abundant number, since it is smaller than the sum of its proper divisors (28952767804710).

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

20003201301210 is a wasteful number, since it uses less digits than its factorization.

20003201301210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11924.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20003201301210 its reverse (1210310230002), we get a palindrome (21213511531212).

The spelling of 20003201301210 in words is "twenty trillion, three billion, two hundred one million, three hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 431 590 862 885 1293 1770 2155 2586 3181 4310 6362 6465 8243 9543 12930 15905 16486 19086 24729 25429 31810 41215 47715 49458 50858 76287 82430 95430 123645 127145 152574 187679 247290 254290 375358 381435 486337 563037 762870 938395 972674 1126074 1371011 1459011 1876790 2431685 2742022 2815185 2918022 3552733 4113033 4863370 5630370 6855055 7105466 7295055 8226066 10658199 13710110 14590110 17763665 20565165 21316398 26220983 35527330 41130330 52441966 53290995 78662949 80889649 106581990 131104915 157325898 161779298 209611247 242668947 262209830 393314745 404448245 419222494 485337894 628833741 786629490 808896490 1048056235 1213344735 1257667482 1547037997 2096112470 2426689470 3094075994 3144168705 4641113991 6288337410 7735189985 9282227982 11301243673 15470379970 22602487346 23205569955 33903731019 46411139910 56506218365 67807462038 113012436730 169518655095 339037310190 666773376707 1333546753414 2000320130121 3333866883535 4000640260242 6667733767070 10001600650605 20003201301210