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20102200012 = 226779949471
BaseRepresentation
bin10010101110001011…
…110011101011001100
31220212221211120022101
4102232023303223030
5312132130400022
613122415524444
71311102611056
oct225613635314
956787746271
1020102200012
118586193444
123a90229724
131b8490b90b
14d89aca8d6
157c9c07627
hex4ae2f3acc

20102200012 has 24 divisors (see below), whose sum is σ = 36155893760. Its totient is φ = 9775743120.

The previous prime is 20102199979. The next prime is 20102200033. The reversal of 20102200012 is 21000220102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453564 + ... + 495907.

Almost surely, 220102200012 is an apocalyptic number.

It is an amenable number.

20102200012 is a deficient number, since it is larger than the sum of its proper divisors (16053693748).

20102200012 is a wasteful number, since it uses less digits than its factorization.

20102200012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949621 (or 949619 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20102200012 its reverse (21000220102), we get a palindrome (41102420114).

It can be divided in two parts, 2010 and 2200012, that added together give a palindrome (2202022).

The spelling of 20102200012 in words is "twenty billion, one hundred two million, two hundred thousand, twelve".

Divisors: 1 2 4 67 79 134 158 268 316 5293 10586 21172 949471 1898942 3797884 63614557 75008209 127229114 150016418 254458228 300032836 5025550003 10051100006 20102200012