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20012214 = 233335369
BaseRepresentation
bin100110001010…
…1110010110110
31101122201121010
41030111302312
520110342324
61552533050
7332046435
oct114256266
941581533
1020012214
1110329522
126851186
1341b8b61
14292d11c
151b54829
hex1315cb6

20012214 has 8 divisors (see below), whose sum is σ = 40024440. Its totient is φ = 6670736.

The previous prime is 20012207. The next prime is 20012219. The reversal of 20012214 is 41221002.

It is a sphenic number, since it is the product of 3 distinct primes.

20012214 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20012214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667679 + ... + 1667690.

It is an arithmetic number, because the mean of its divisors is an integer number (5003055).

Almost surely, 220012214 is an apocalyptic number.

20012214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20012214 is a wasteful number, since it uses less digits than its factorization.

20012214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3335374.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20012214 is about 4473.5013132892. The cubic root of 20012214 is about 271.4970069095.

Adding to 20012214 its reverse (41221002), we get a palindrome (61233216).

The spelling of 20012214 in words is "twenty million, twelve thousand, two hundred fourteen".

Divisors: 1 2 3 6 3335369 6670738 10006107 20012214