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2020324140 = 2233523473461
BaseRepresentation
bin111100001101011…
…1011001100101100
312012210121002201000
41320122323030230
513114200333030
6532250320300
7101031320562
oct17032731454
95183532630
102020324140
1194746947a
12484729090
13262742193
14152469a32
15bc579860
hex786bb32c

2020324140 has 192 divisors, whose sum is σ = 6700216320. Its totient is φ = 504218880.

The previous prime is 2020324139. The next prime is 2020324151. The reversal of 2020324140 is 414230202.

2020324140 is a `hidden beast` number, since 202 + 0 + 324 + 140 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 582010 + ... + 585470.

It is an arithmetic number, because the mean of its divisors is an integer number (34896960).

Almost surely, 22020324140 is an apocalyptic number.

2020324140 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 2020324140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3350108160).

2020324140 is an abundant number, since it is smaller than the sum of its proper divisors (4679892180).

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

2020324140 is a wasteful number, since it uses less digits than its factorization.

2020324140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549 (or 3541 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2020324140 is about 44948.0159740116. The cubic root of 2020324140 is about 1264.1744763623.

Adding to 2020324140 its reverse (414230202), we get a palindrome (2434554342).

The spelling of 2020324140 in words is "two billion, twenty million, three hundred twenty-four thousand, one hundred forty".