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20212200200000 = 2655101061001
BaseRepresentation
bin1001001100010000001010…
…00000110101011101000000
32122120021012222120120021102
410212020011000311131000
510122124041222400000
6110553205004513532
74154166106662044
oct446100500653500
978507188516242
1020212200200000
116492a4509a056
122325314b4b8a8
13b38005091a63
144dc3c0792024
15250b744243d5
hex126205035740

20212200200000 has 84 divisors (see below), whose sum is σ = 50132522774124. Its totient is φ = 8084880000000.

The previous prime is 20212200199993. The next prime is 20212200200009. The reversal of 20212200200000 is 200221202.

It can be written as a sum of positive squares in 6 ways, for example, as 17831499325696 + 2380700874304 = 4222736^2 + 1542952^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212200200009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50330501 + ... + 50730500.

It is an arithmetic number, because the mean of its divisors is an integer number (596815747311).

Almost surely, 220212200200000 is an apocalyptic number.

20212200200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212200200000 is an abundant number, since it is smaller than the sum of its proper divisors (29920322574124).

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

20212200200000 is an frugal number, since it uses more digits than its factorization.

20212200200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101061038 (or 101061008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20212200200000 its reverse (200221202), we get a palindrome (20212400421202).

The spelling of 20212200200000 in words is "twenty trillion, two hundred twelve billion, two hundred million, two hundred 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 1250 1600 2000 2500 3125 4000 5000 6250 8000 10000 12500 20000 25000 40000 50000 100000 200000 101061001 202122002 404244004 505305005 808488008 1010610010 1616976016 2021220020 2526525025 3233952032 4042440040 5053050050 6467904064 8084880080 10106100100 12632625125 16169760160 20212200200 25265250250 32339520320 40424400400 50530500500 63163125625 80848800800 101061001000 126326251250 161697601600 202122002000 252652502500 315815628125 404244004000 505305005000 631631256250 808488008000 1010610010000 1263262512500 2021220020000 2526525025000 4042440040000 5053050050000 10106100100000 20212200200000