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20000020110210 = 23257421743101489
BaseRepresentation
bin1001000110000100111100…
…00110000001101110000010
32121210222112210022012200100
410203002132012001232002
510110140020122011320
6110311514333103230
74132645066660140
oct443023606015602
977728483265610
1020000020110210
116410a62a53148
1222b017a327b16
13b20cbc50537a
144d2012bb4590
1524a3a6a09790
hex12309e181b82

20000020110210 has 192 divisors, whose sum is σ = 59650554263040. Its totient is φ = 4554391726080.

The previous prime is 20000020110151. The next prime is 20000020110229. The reversal of 20000020110210 is 1201102000002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20000020110192 and 20000020110201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 197015146 + ... + 197116634.

It is an arithmetic number, because the mean of its divisors is an integer number (310679970120).

Almost surely, 220000020110210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000020110210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29825277131520).

20000020110210 is an abundant number, since it is smaller than the sum of its proper divisors (39650534152830).

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

20000020110210 is a wasteful number, since it uses less digits than its factorization.

20000020110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102673 (or 102670 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000020110210 its reverse (1201102000002), we get a palindrome (21201122110212).

The spelling of 20000020110210 in words is "twenty trillion, twenty million, one hundred ten thousand, two hundred ten".