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20010200210000 = 2454711131999021
BaseRepresentation
bin1001000110010111111001…
…11000000001101001010000
32121211221211020221212021022
410203023330320001221100
510110321342223210000
6110320320432015012
74133455262254310
oct443137470015120
977757736855238
1020010200210000
116415307398860
1222b213b691468
13b21c525ccc60
144d26dac19440
1524a7a05e0585
hex1232fce01a50

20010200210000 has 400 divisors, whose sum is σ = 65047344286848. Its totient is φ = 5757177600000.

The previous prime is 20010200209999. The next prime is 20010200210083. The reversal of 20010200210000 is 1200201002.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×200102002100002 (a number of 27 digits) contains 22 as substring.

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 20010200210000.

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 9010490 + ... + 11009510.

Almost surely, 220010200210000 is an apocalyptic number.

20010200210000 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 20010200210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32523672143424).

20010200210000 is an abundant number, since it is smaller than the sum of its proper divisors (45037144076848).

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

20010200210000 is a wasteful number, since it uses less digits than its factorization.

20010200210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999080 (or 1999059 counting only the distinct ones).

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

Adding to 20010200210000 its reverse (1200201002), we get a palindrome (20011400411002).

The spelling of 20010200210000 in words is "twenty trillion, ten billion, two hundred million, two hundred ten thousand".