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10201022201220 = 2235891926799149
BaseRepresentation
bin1001010001110001110001…
…0011011111110110000100
31100010012121202222010210020
42110130130103133312010
52314113143140414340
633410141312255140
72101666561016634
oct224343423376604
940105552863706
1010201022201220
113283258102114
1211890398414b0
1358cc4c188b96
14273a36c9a6c4
1512a542ed19d0
hex9471c4dfd84

10201022201220 has 96 divisors (see below), whose sum is σ = 28885583664000. Its totient is φ = 2689540998144.

The previous prime is 10201022201197. The next prime is 10201022201257. The reversal of 10201022201220 is 2210222010201.

10201022201220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10201022201220.

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, 102836206 + ... + 102935354.

It is an arithmetic number, because the mean of its divisors is an integer number (300891496500).

Almost surely, 210201022201220 is an apocalyptic number.

10201022201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201022201220 is an abundant number, since it is smaller than the sum of its proper divisors (18684561462780).

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

10201022201220 is a wasteful number, since it uses less digits than its factorization.

10201022201220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118517 (or 118515 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10201022201220 its reverse (2210222010201), we get a palindrome (12411244211421).

The spelling of 10201022201220 in words is "ten trillion, two hundred one billion, twenty-two million, two hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 19267 38534 57801 77068 96335 99149 115602 192670 198298 231204 289005 297447 385340 396596 495745 578010 594894 991490 1156020 1189788 1487235 1714763 1982980 2974470 3429526 5144289 5948940 6859052 8573815 8824261 10288578 17147630 17648522 20577156 25721445 26472783 34295260 35297044 44121305 51442890 52945566 88242610 102885780 105891132 132363915 176485220 264727830 529455660 1910303783 3820607566 5730911349 7641215132 9551518915 11461822698 19103037830 22923645396 28654556745 38206075660 57309113490 114618226980 170017036687 340034073374 510051110061 680068146748 850085183435 1020102220122 1700170366870 2040204440244 2550255550305 3400340733740 5100511100610 10201022201220