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2020010120000 = 265461827873
BaseRepresentation
bin11101011001010001111…
…111000101001101000000
321011002222222102021020122
4131121101333011031000
5231043440042320000
64143551351155412
7265640506501235
oct35312177051500
97132888367218
102020010120000
11709755062144
122875a9375b68
13118642073372
146daaa24b78c
1537829a97085
hex1d651fc5340

2020010120000 has 140 divisors (see below), whose sum is σ = 5091088983156. Its totient is φ = 794757120000.

The previous prime is 2020010119993. The next prime is 2020010120017. The reversal of 2020010120000 is 210100202.

It can be written as a sum of positive squares in 10 ways, for example, as 1973867643136 + 46142476864 = 1404944^2 + 214808^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2020010120000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2026064 + ... + 2853936.

Almost surely, 22020010120000 is an apocalyptic number.

2020010120000 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 2020010120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2545544491578).

2020010120000 is an abundant number, since it is smaller than the sum of its proper divisors (3071078863156).

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

2020010120000 is an frugal number, since it uses more digits than its factorization.

2020010120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827966 (or 827941 counting only the distinct ones).

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

Adding to 2020010120000 its reverse (210100202), we get a palindrome (2020220220202).

The spelling of 2020010120000 in words is "two trillion, twenty billion, ten million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 61 64 80 100 122 125 160 200 244 250 305 320 400 488 500 610 625 800 976 1000 1220 1250 1525 1600 1952 2000 2440 2500 3050 3904 4000 4880 5000 6100 7625 8000 9760 10000 12200 15250 19520 20000 24400 30500 38125 40000 48800 61000 76250 97600 122000 152500 244000 305000 488000 610000 827873 1220000 1655746 2440000 3311492 4139365 6622984 8278730 13245968 16557460 20696825 26491936 33114920 41393650 50500253 52983872 66229840 82787300 101000506 103484125 132459680 165574600 202001012 206968250 252501265 264919360 331149200 404002024 413936500 505002530 517420625 662298400 808004048 827873000 1010005060 1034841250 1262506325 1324596800 1616008096 1655746000 2020010120 2069682500 2525012650 3232016192 3311492000 4040020240 4139365000 5050025300 6312531625 6622984000 8080040480 8278730000 10100050600 12625063250 16160080960 16557460000 20200101200 25250126500 31562658125 33114920000 40400202400 50500253000 63125316250 80800404800 101000506000 126250632500 202001012000 252501265000 404002024000 505002530000 1010005060000 2020010120000