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20110020022020 = 22354171277415661
BaseRepresentation
bin1001001001010001110101…
…00110011000111100000100
32122012111110212112201002010
410210220322212120330010
510113440310111201040
6110434225441014220
74143621020542365
oct444507246307404
978174425481063
1020110020022020
116453680042a75
122309559024370
13b2b49c9a1096
144d7489d73b6c
1524d193ad5e80
hex124a3a998f04

20110020022020 has 192 divisors, whose sum is σ = 58705148017152. Its totient is φ = 5139552768000.

The previous prime is 20110020022003. The next prime is 20110020022039. The reversal of 20110020022020 is 2022002001102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20110020021987 and 20110020022005.

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 63 ways as a sum of consecutive naturals, for example, 48172990 + ... + 48588650.

It is an arithmetic number, because the mean of its divisors is an integer number (305755979256).

Almost surely, 220110020022020 is an apocalyptic number.

20110020022020 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 20110020022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29352574008576).

20110020022020 is an abundant number, since it is smaller than the sum of its proper divisors (38595127995132).

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

20110020022020 is a wasteful number, since it uses less digits than its factorization.

20110020022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416062 (or 416060 counting only the distinct ones).

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

Adding to 20110020022020 its reverse (2022002001102), we get a palindrome (22132022023122).

The spelling of 20110020022020 in words is "twenty trillion, one hundred ten billion, twenty million, twenty-two thousand, twenty".