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20020020121112 = 23111094218149481
BaseRepresentation
bin1001000110101010001100…
…01100000000111000011000
32121212220011121212000212212
410203111012030000320120
510111002000122333422
6110325023102454252
74134253522160624
oct443250614007030
977786147760785
1020020020121112
11641949648a380
1222b4020294388
13b22b58bb4c4b
144d2d8d0a0184
1524ab777789e2
hex123546300e18

20020020121112 has 64 divisors (see below), whose sum is σ = 41327544535200. Its totient is φ = 9016126848000.

The previous prime is 20020020121081. The next prime is 20020020121217. The reversal of 20020020121112 is 21112102002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404575412 + ... + 404624892.

Almost surely, 220020020121112 is an apocalyptic number.

20020020121112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20020020121112 is an abundant number, since it is smaller than the sum of its proper divisors (21307524414088).

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

20020020121112 is a wasteful number, since it uses less digits than its factorization.

20020020121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91788 (or 91784 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020020121112 its reverse (21112102002002), we get a palindrome (41132122123114).

The spelling of 20020020121112 in words is "twenty trillion, twenty billion, twenty million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 109 218 436 872 1199 2398 4796 9592 42181 49481 84362 98962 168724 197924 337448 395848 463991 544291 927982 1088582 1855964 2177164 3711928 4354328 4597729 5393429 9195458 10786858 18390916 21573716 36781832 43147432 50575019 59327719 101150038 118655438 202300076 237310876 404600152 474621752 2087158061 4174316122 8348632244 16697264488 22958738671 45917477342 91834954684 183669909368 227500228649 455000457298 910000914596 1820001829192 2502502515139 5005005030278 10010010060556 20020020121112