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2020110020020 = 2258323933115383
BaseRepresentation
bin11101011001010111111…
…100001010110110110100
321011010020221101201022101
4131121113330022312310
5231044141131120040
64144005320311444
7265643131566031
oct35312774126664
97133227351271
102020110020020
117097a6495544
12287616912584
131186599804c1
146dab9614388
153783372c09a
hex1d657f0adb4

2020110020020 has 96 divisors (see below), whose sum is σ = 4324612239360. Its totient is φ = 792515095680.

The previous prime is 2020110019951. The next prime is 2020110020083. The reversal of 2020110020020 is 200200110202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 2020110019979 and 2020110020006.

It is a congruent number.

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, 131313249 + ... + 131328631.

It is an arithmetic number, because the mean of its divisors is an integer number (45048044160).

Almost surely, 22020110020020 is an apocalyptic number.

2020110020020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020110020020 is an abundant number, since it is smaller than the sum of its proper divisors (2304502219340).

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

2020110020020 is a wasteful number, since it uses less digits than its factorization.

2020110020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16045 (or 16043 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 2020110020020 its reverse (200200110202), we get a palindrome (2220310130222).

The spelling of 2020110020020 in words is "two trillion, twenty billion, one hundred ten million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 83 166 239 331 332 415 478 662 830 956 1195 1324 1655 1660 2390 3310 4780 6620 15383 19837 27473 30766 39674 54946 61532 76915 79109 79348 99185 109892 137365 153830 158218 198370 274730 307660 316436 395545 396740 549460 791090 1276789 1582180 2553578 3676537 5091773 5107156 6383945 6566047 7353074 10183546 12767890 13132094 14706148 18382685 20367092 25458865 25535780 26264188 32830235 36765370 50917730 65660470 73530740 101835460 131320940 305152571 422617159 610305142 845234318 1216933747 1220610284 1525762855 1690468636 2113085795 2433867494 3051525710 4226171590 4867734988 6084668735 6103051420 8452343180 12169337470 24338674940 101005501001 202011002002 404022004004 505027505005 1010055010010 2020110020020