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20000210020100 = 22522389479203977
BaseRepresentation
bin1001000110000101010010…
…11010011110011100000100
32121211000001000122122001222
410203002221122132130010
510110140412231120400
6110311545235335512
74132652564121242
oct443025132363404
977730030578058
1020000210020100
116411050174272
1222b0211a51598
13b2101c968a9b
144d20300cb792
1524a3b851e185
hex1230a969e704

20000210020100 has 144 divisors (see below), whose sum is σ = 45892112716800. Its totient is φ = 7550440888320.

The previous prime is 20000210020057. The next prime is 20000210020151. The reversal of 20000210020100 is 102001200002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97949312 + ... + 98153288.

It is an arithmetic number, because the mean of its divisors is an integer number (318695227200).

Almost surely, 220000210020100 is an apocalyptic number.

20000210020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000210020100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22946056358400).

20000210020100 is an abundant number, since it is smaller than the sum of its proper divisors (25891902696700).

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

20000210020100 is a wasteful number, since it uses less digits than its factorization.

20000210020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204582 (or 204575 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20000210020100 its reverse (102001200002), we get a palindrome (20102211220102).

The spelling of 20000210020100 in words is "twenty trillion, two hundred ten million, twenty thousand, one hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 89 92 100 115 178 230 356 445 460 479 575 890 958 1150 1780 1916 2047 2225 2300 2395 4094 4450 4790 8188 8900 9580 10235 11017 11975 20470 22034 23950 40940 42631 44068 47900 51175 55085 85262 102350 110170 170524 203977 204700 213155 220340 275425 407954 426310 550850 815908 852620 980513 1019885 1065775 1101700 1961026 2039770 2131550 3922052 4079540 4263100 4691471 4902565 5099425 9382942 9805130 10198850 18153953 18765884 19610260 20397700 23457355 24512825 36307906 46914710 49025650 72615812 90769765 93829420 97704983 98051300 117286775 181539530 195409966 234573550 363079060 390819932 417540919 453848825 469147100 488524915 835081838 907697650 977049830 1670163676 1815395300 1954099660 2087704595 2247214609 2442624575 4175409190 4494429218 4885249150 8350818380 8695743487 8988858436 9770498300 10438522975 11236073045 17391486974 20877045950 22472146090 34782973948 41754091900 43478717435 44944292180 56180365225 86957434870 112360730450 173914869740 200002100201 217393587175 224721460900 400004200402 434787174350 800008400804 869574348700 1000010501005 2000021002010 4000042004020 5000052505025 10000105010050 20000210020100