Search a number
-
+
20000203020210 = 2357437451297257
BaseRepresentation
bin1001000110000101010001…
…11111110001011110110010
32121211000000112111000000210
410203002220333301132302
510110140403433121320
6110311544425324550
74132652450455350
oct443025077613662
977730015430023
1020000203020210
116411047223136
1222b020b636756
13b2101b38793a
144d202d1c87d0
1524a3b7ada0e0
hex1230a8ff17b2

20000203020210 has 128 divisors (see below), whose sum is σ = 56141182715904. Its totient is φ = 4464547315200.

The previous prime is 20000203020209. The next prime is 20000203020221. The reversal of 20000203020210 is 1202030200002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 67133902 + ... + 67431158.

It is an arithmetic number, because the mean of its divisors is an integer number (438602989968).

Almost surely, 220000203020210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000203020210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28070591357952).

20000203020210 is an abundant number, since it is smaller than the sum of its proper divisors (36140979695694).

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

20000203020210 is a wasteful number, since it uses less digits than its factorization.

20000203020210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304768.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20000203020210 its reverse (1202030200002), we get a palindrome (21202233220212).

The spelling of 20000203020210 in words is "twenty trillion, two hundred three million, twenty thousand, two hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 43 70 86 105 129 210 215 258 301 430 602 645 903 1290 1505 1806 3010 4515 7451 9030 14902 22353 37255 44706 52157 74510 104314 111765 156471 223530 260785 297257 312942 320393 521570 594514 640786 782355 891771 961179 1486285 1564710 1601965 1783542 1922358 2080799 2242751 2972570 3203930 4161598 4458855 4485502 4805895 6242397 6728253 8917710 9611790 10403995 11213755 12484794 12782051 13456506 20807990 22427510 25564102 31211985 33641265 38346153 62423970 63910255 67282530 76692306 89474357 127820510 178948714 191730765 268423071 383461530 447371785 536846142 894743570 1342115355 2214861907 2684230710 4429723814 6644585721 11074309535 13289171442 15504033349 22148619070 31008066698 33222928605 46512100047 66445857210 77520166745 93024200094 95239062001 155040333490 190478124002 232560500235 285717186003 465121000470 476195310005 571434372006 666673434007 952390620010 1333346868014 1428585930015 2000020302021 2857171860030 3333367170035 4000040604042 6666734340070 10000101510105 20000203020210