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20006760 = 2335166723
BaseRepresentation
bin100110001010…
…0011101101000
31101122110010010
41030110131220
520110204020
61552451520
7332024514
oct114243550
941573103
1020006760
1110325414
126849ba0
1341b6527
14292b144
151b52de0
hex1314768

20006760 has 32 divisors (see below), whose sum is σ = 60020640. Its totient is φ = 5335104.

The previous prime is 20006743. The next prime is 20006797. The reversal of 20006760 is 6760002.

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 7 ways as a sum of consecutive naturals, for example, 83242 + ... + 83481.

It is an arithmetic number, because the mean of its divisors is an integer number (1875645).

Almost surely, 220006760 is an apocalyptic number.

20006760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20006760 is an abundant number, since it is smaller than the sum of its proper divisors (40013880).

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

20006760 is a wasteful number, since it uses less digits than its factorization.

20006760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166737 (or 166733 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 20006760 is about 4472.8916821224. The cubic root of 20006760 is about 271.4723406530.

Adding to 20006760 its reverse (6760002), we get a palindrome (26766762).

The spelling of 20006760 in words is "twenty million, six thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 166723 333446 500169 666892 833615 1000338 1333784 1667230 2000676 2500845 3334460 4001352 5001690 6668920 10003380 20006760