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20120366 = 273733853
BaseRepresentation
bin100110011000…
…0001100101110
31101212012221202
41030300030232
520122322431
61555125502
7333006650
oct114601456
941765852
1020120366
11103a2802
1268a3892
134226156
14295a6d0
151b768cb
hex133032e

20120366 has 16 divisors (see below), whose sum is σ = 34593504. Its totient is φ = 8597664.

The previous prime is 20120363. The next prime is 20120383. The reversal of 20120366 is 66302102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120363) by changing a digit.

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, 3296 + ... + 7148.

It is an arithmetic number, because the mean of its divisors is an integer number (2162094).

Almost surely, 220120366 is an apocalyptic number.

20120366 is a deficient number, since it is larger than the sum of its proper divisors (14473138).

20120366 is a wasteful number, since it uses less digits than its factorization.

20120366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20120366 is about 4485.5730960492. The cubic root of 20120366 is about 271.9852122151.

Adding to 20120366 its reverse (66302102), we get a palindrome (86422468).

The spelling of 20120366 in words is "twenty million, one hundred twenty thousand, three hundred sixty-six".

Divisors: 1 2 7 14 373 746 2611 3853 5222 7706 26971 53942 1437169 2874338 10060183 20120366