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2020102120000 = 2654115343801
BaseRepresentation
bin11101011001010111011…
…110000010001001000000
321011010020101112100112001
4131121113132002021000
5231044132120320000
64144004435113344
7265643004463636
oct35312736021100
97133211470461
102020102120000
117097a1a8a0a8
12287614142854
13118658145733
146dab8559356
1537832bbb46a
hex1d657782240

2020102120000 has 140 divisors (see below), whose sum is σ = 5013655675996. Its totient is φ = 807321600000.

The previous prime is 2020102119983. The next prime is 2020102120021. The reversal of 2020102120000 is 212010202.

It can be written as a sum of positive squares in 10 ways, for example, as 1226263887424 + 793838232576 = 1107368^2 + 890976^2 .

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

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, 46098100 + ... + 46141900.

Almost surely, 22020102120000 is an apocalyptic number.

2020102120000 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 2020102120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2506827837998).

2020102120000 is an abundant number, since it is smaller than the sum of its proper divisors (2993553555996).

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

2020102120000 is an equidigital number, since it uses as much as digits as its factorization.

2020102120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44986 (or 44961 counting only the distinct ones).

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

Adding to 2020102120000 its reverse (212010202), we get a palindrome (2020314130202).

The spelling of 2020102120000 in words is "two trillion, twenty billion, one hundred two million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1153 1250 1600 2000 2306 2500 4000 4612 5000 5765 8000 9224 10000 11530 18448 20000 23060 28825 36896 40000 43801 46120 57650 73792 87602 92240 115300 144125 175204 184480 219005 230600 288250 350408 368960 438010 461200 576500 700816 720625 876020 922400 1095025 1153000 1401632 1441250 1752040 1844800 2190050 2306000 2803264 2882500 3504080 4380100 4612000 5475125 5765000 7008160 8760200 9224000 10950250 11530000 14016320 17520400 21900500 23060000 27375625 35040800 43801000 46120000 50502553 54751250 70081600 87602000 101005106 109502500 175204000 202010212 219005000 252512765 350408000 404020424 438010000 505025530 808040848 876020000 1010051060 1262563825 1616081696 1752040000 2020102120 2525127650 3232163392 4040204240 5050255300 6312819125 8080408480 10100510600 12625638250 16160816960 20201021200 25251276500 31564095625 40402042400 50502553000 63128191250 80804084800 101005106000 126256382500 202010212000 252512765000 404020424000 505025530000 1010051060000 2020102120000