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20201021010112 = 261718799881381
BaseRepresentation
bin1001001011111011010101…
…01011100111000011000000
32122112012100212221212201111
410211331222223213003000
510121433142334310422
6110544115420013104
74153322063303515
oct445755253470300
978465325855644
1020201021010112
1164892287a2248
122323115091194
13b36c42cb81b7
144dba3db9930c
1525071cc8ba77
hex125f6aae70c0

20201021010112 has 56 divisors (see below), whose sum is σ = 42467017793760. Its totient is φ = 9501302599680.

The previous prime is 20201021010077. The next prime is 20201021010173. The reversal of 20201021010112 is 21101012010202.

It is a junction number, because it is equal to n+sod(n) for n = 20201021010092 and 20201021010101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2896339 + ... + 6985042.

It is an arithmetic number, because the mean of its divisors is an integer number (758339603460).

Almost surely, 220201021010112 is an apocalyptic number.

It is an amenable number.

20201021010112 is an abundant number, since it is smaller than the sum of its proper divisors (22265996783648).

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

20201021010112 is a wasteful number, since it uses less digits than its factorization.

20201021010112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883289 (or 9883279 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20201021010112 its reverse (21101012010202), we get a palindrome (41302033020314).

The spelling of 20201021010112 in words is "twenty trillion, two hundred one billion, twenty-one million, ten thousand, one hundred twelve".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 1879 3758 7516 15032 30064 31943 60128 63886 120256 127772 255544 511088 1022176 2044352 9881381 19762762 39525524 79051048 158102096 167983477 316204192 335966954 632408384 671933908 1343867816 2687735632 5375471264 10750942528 18567114899 37134229798 74268459596 148536919192 297073838384 315640953283 594147676768 631281906566 1188295353536 1262563813132 2525127626264 5050255252528 10100510505056 20201021010112