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20414214 = 233378041
BaseRepresentation
bin100110111011…
…1111100000110
31102102011001000
41031313330012
520211223324
62005314130
7335342442
oct115677406
942364030
1020414214
1110583557
126a05946
1342c9b22
1429d5822
151bd39c9
hex1377f06

20414214 has 16 divisors (see below), whose sum is σ = 45365040. Its totient is φ = 6804720.

The previous prime is 20414203. The next prime is 20414243. The reversal of 20414214 is 41241402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188967 + ... + 189074.

It is an arithmetic number, because the mean of its divisors is an integer number (2835315).

Almost surely, 220414214 is an apocalyptic number.

20414214 is an abundant number, since it is smaller than the sum of its proper divisors (24950826).

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

20414214 is a wasteful number, since it uses less digits than its factorization.

20414214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378052 (or 378046 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 20414214 is about 4518.2091585052. The cubic root of 20414214 is about 273.3028880757.

Adding to 20414214 its reverse (41241402), we get a palindrome (61655616).

The spelling of 20414214 in words is "twenty million, four hundred fourteen thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 378041 756082 1134123 2268246 3402369 6804738 10207107 20414214