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20201020212000 = 2535312311367521
BaseRepresentation
bin1001001011111011010101…
…01000100100001100100000
32122112012100211110022220210
410211331222220210030200
510121433142133241000
6110544115350534120
74153322053440615
oct445755250441440
978465324408823
1020201020212000
1164892282a7651
122323114967340
13b36c42a98b44
144dba3da2c50c
1525071cb80350
hex125f6aa24320

20201020212000 has 192 divisors, whose sum is σ = 66232350632448. Its totient is φ = 5382558720000.

The previous prime is 20201020211987. The next prime is 20201020212017. The reversal of 20201020212000 is 21202010202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14088240 + ... + 15455760.

It is an arithmetic number, because the mean of its divisors is an integer number (344960159544).

Almost surely, 220201020212000 is an apocalyptic number.

20201020212000 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 20201020212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33116175316224).

20201020212000 is an abundant number, since it is smaller than the sum of its proper divisors (46031330420448).

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

20201020212000 is a wasteful number, since it uses less digits than its factorization.

20201020212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368780 (or 1368762 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20201020212000 its reverse (21202010202), we get a palindrome (20222222222202).

The spelling of 20201020212000 in words is "twenty trillion, two hundred one billion, twenty million, two hundred twelve thousand".