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20020211102112 = 2531316041835819
BaseRepresentation
bin1001000110101010100011…
…00100100011000110100000
32121212220122221012212120020
410203111101210203012200
510111002343020231422
6110325054044113440
74134261331402554
oct443252144430640
977786587185506
1020020211102112
116419584272211
1222b4074235880
13b22b89632060
144d2daa5b5864
1524ab8940095c
hex1235519231a0

20020211102112 has 48 divisors (see below), whose sum is σ = 56595596772960. Its totient is φ = 6160064954112.

The previous prime is 20020211102069. The next prime is 20020211102141. The reversal of 20020211102112 is 21120111202002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 20020211102091 and 20020211102100.

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 7 ways as a sum of consecutive naturals, for example, 8020916662 + ... + 8020919157.

It is an arithmetic number, because the mean of its divisors is an integer number (1179074932770).

Almost surely, 220020211102112 is an apocalyptic number.

It is an amenable number.

20020211102112 is an abundant number, since it is smaller than the sum of its proper divisors (36575385670848).

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

20020211102112 is a wasteful number, since it uses less digits than its factorization.

20020211102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16041835845 (or 16041835837 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20020211102112 its reverse (21120111202002), we get a palindrome (41140322304114).

The spelling of 20020211102112 in words is "twenty trillion, twenty billion, two hundred eleven million, one hundred two thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 16041835819 32083671638 48125507457 64167343276 96251014914 128334686552 192502029828 208543865647 256669373104 385004059656 417087731294 513338746208 625631596941 770008119312 834175462588 1251263193882 1540016238624 1668350925176 2502526387764 3336701850352 5005052775528 6673403700704 10010105551056 20020211102112