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20201020202012 = 2213388481157731
BaseRepresentation
bin1001001011111011010101…
…01000100001110000011100
32122112012100211102211012212
410211331222220201300130
510121433142132431022
6110544115350415552
74153322053366526
oct445755250416034
978465324384185
1020201020202012
1164892282a00a1
1223231149615b8
13b36c42a94430
144dba3da28a16
1525071cb7c3e2
hex125f6aa21c1c

20201020202012 has 12 divisors (see below), whose sum is σ = 38071153457736. Its totient is φ = 9323547785520.

The previous prime is 20201020201969. The next prime is 20201020202029. The reversal of 20201020202012 is 21020202010202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194240578814 + ... + 194240578917.

It is an arithmetic number, because the mean of its divisors is an integer number (3172596121478).

Almost surely, 220201020202012 is an apocalyptic number.

It is an amenable number.

20201020202012 is a deficient number, since it is larger than the sum of its proper divisors (17870133255724).

20201020202012 is a wasteful number, since it uses less digits than its factorization.

20201020202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388481157748 (or 388481157746 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20201020202012 its reverse (21020202010202), we get a palindrome (41221222212214).

The spelling of 20201020202012 in words is "twenty trillion, two hundred one billion, twenty million, two hundred two thousand, twelve".

Divisors: 1 2 4 13 26 52 388481157731 776962315462 1553924630924 5050255050503 10100510101006 20201020202012