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20043160 = 235432271
BaseRepresentation
bin100110001110…
…1010110011000
31101201022001021
41030131112120
520112340120
61553332224
7332235604
oct114352630
941638037
1020043160
111034a7a5
126867074
1341c9c77
14293a504
151b5daaa
hex131d598

20043160 has 48 divisors (see below), whose sum is σ = 46340640. Its totient is φ = 7801920.

The previous prime is 20043151. The next prime is 20043161. The reversal of 20043160 is 6134002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20043161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73825 + ... + 74095.

It is an arithmetic number, because the mean of its divisors is an integer number (965430).

Almost surely, 220043160 is an apocalyptic number.

20043160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20043160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23170320).

20043160 is an abundant number, since it is smaller than the sum of its proper divisors (26297480).

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

20043160 is a wasteful number, since it uses less digits than its factorization.

20043160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20043160 is about 4476.9587891782. The cubic root of 20043160 is about 271.6368784799.

Adding to 20043160 its reverse (6134002), we get a palindrome (26177162).

The spelling of 20043160 in words is "twenty million, forty-three thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 43 86 172 215 271 344 430 542 860 1084 1355 1720 1849 2168 2710 3698 5420 7396 9245 10840 11653 14792 18490 23306 36980 46612 58265 73960 93224 116530 233060 466120 501079 1002158 2004316 2505395 4008632 5010790 10021580 20043160