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20020006016 = 27607257671
BaseRepresentation
bin10010101001010010…
…010000110010000000
31220200020011200100022
4102221102100302000
5312000110143031
613110322113012
71306054146323
oct225122206200
956606150308
1020020006016
11854385391a
123a687ab768
131b70890a0a
14d7cc127ba
157c28bd97b
hex4a9490c80

20020006016 has 32 divisors (see below), whose sum is σ = 39949466880. Its totient is φ = 9993473280.

The previous prime is 20020005997. The next prime is 20020006037. The reversal of 20020006016 is 61060002002.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 20020005985 and 20020006003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51140 + ... + 206531.

It is an arithmetic number, because the mean of its divisors is an integer number (1248420840).

Almost surely, 220020006016 is an apocalyptic number.

It is an amenable number.

20020006016 is a deficient number, since it is larger than the sum of its proper divisors (19929460864).

20020006016 is an equidigital number, since it uses as much as digits as its factorization.

20020006016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258292 (or 258280 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20020006016 its reverse (61060002002), we get a palindrome (81080008018).

The spelling of 20020006016 in words is "twenty billion, twenty million, six thousand, sixteen".

Divisors: 1 2 4 8 16 32 64 128 607 1214 2428 4856 9712 19424 38848 77696 257671 515342 1030684 2061368 4122736 8245472 16490944 32981888 156406297 312812594 625625188 1251250376 2502500752 5005001504 10010003008 20020006016