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20411160 = 2335711472
BaseRepresentation
bin100110111011…
…1001100011000
31102101222211220
41031313030120
520211124120
62005252040
7335330520
oct115671430
942358756
1020411160
1110581230
126a04020
1342c8613
1429d4680
151bd2b40
hex1377318

20411160 has 192 divisors, whose sum is σ = 78001920. Its totient is φ = 4151040.

The previous prime is 20411147. The next prime is 20411221. The reversal of 20411160 is 6111402.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 47 ways as a sum of consecutive naturals, for example, 434257 + ... + 434303.

It is an arithmetic number, because the mean of its divisors is an integer number (406260).

Almost surely, 220411160 is an apocalyptic number.

20411160 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 20411160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39000960).

20411160 is an abundant number, since it is smaller than the sum of its proper divisors (57590760).

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

20411160 is a wasteful number, since it uses less digits than its factorization.

20411160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 20411160 is about 4517.8711801024. The cubic root of 20411160 is about 273.2892585421.

Adding to 20411160 its reverse (6111402), we get a palindrome (26522562).

The spelling of 20411160 in words is "twenty million, four hundred eleven thousand, one hundred sixty".