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20300214 = 23112343311
BaseRepresentation
bin100110101110…
…0000110110110
31102012100122210
41031130012312
520144101324
62003034250
7334356204
oct115340666
942170583
1020300214
1110505940
12696b986
134289c7c
1429a6074
151baed29
hex135c1b6

20300214 has 64 divisors (see below), whose sum is σ = 47443968. Its totient is φ = 5728800.

The previous prime is 20300201. The next prime is 20300233. The reversal of 20300214 is 41200302.

It is a self number, because there is not a number n which added to its sum of digits gives 20300214.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 65119 + ... + 65429.

It is an arithmetic number, because the mean of its divisors is an integer number (741312).

Almost surely, 220300214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20300214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23721984).

20300214 is an abundant number, since it is smaller than the sum of its proper divisors (27143754).

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

20300214 is a wasteful number, since it uses less digits than its factorization.

20300214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20300214 is about 4505.5758788417. The cubic root of 20300214 is about 272.7931989917.

Adding to 20300214 its reverse (41200302), we get a palindrome (61500516).

The spelling of 20300214 in words is "twenty million, three hundred thousand, two hundred fourteen".

Divisors: 1 2 3 6 11 22 23 33 43 46 66 69 86 129 138 253 258 311 473 506 622 759 933 946 989 1419 1518 1866 1978 2838 2967 3421 5934 6842 7153 10263 10879 13373 14306 20526 21459 21758 26746 32637 40119 42918 65274 78683 80238 147103 157366 236049 294206 307579 441309 472098 615158 882618 922737 1845474 3383369 6766738 10150107 20300214