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20020020121110 = 2354275115609787
BaseRepresentation
bin1001000110101010001100…
…01100000000111000010110
32121212220011121212000212210
410203111012030000320112
510111002000122333420
6110325023102454250
74134253522160622
oct443250614007026
977786147760783
1020020020121110
11641949648a379
1222b4020294386
13b22b58bb4c49
144d2d8d0a0182
1524ab777789e0
hex123546300e16

20020020121110 has 32 divisors (see below), whose sum is σ = 48049175273472. Its totient is φ = 5338546812000.

The previous prime is 20020020121081. The next prime is 20020020121217. The reversal of 20020020121110 is 1112102002002.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 6522364 + ... + 9087423.

It is an arithmetic number, because the mean of its divisors is an integer number (1501536727296).

Almost surely, 220020020121110 is an apocalyptic number.

20020020121110 is an abundant number, since it is smaller than the sum of its proper divisors (28029155152362).

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

20020020121110 is a wasteful number, since it uses less digits than its factorization.

20020020121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15652548.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20020020121110 its reverse (1112102002002), we get a palindrome (21132122123112).

The spelling of 20020020121110 in words is "twenty trillion, twenty billion, twenty million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 42751 85502 128253 213755 256506 427510 641265 1282530 15609787 31219574 46829361 78048935 93658722 156097870 234146805 468293610 667334004037 1334668008074 2002002012111 3336670020185 4004004024222 6673340040370 10010010060555 20020020121110