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2020321212 = 22371331371613
BaseRepresentation
bin111100001101011…
…1010011110111100
312012210120221200120
41320122322132330
513114200234322
6532250254540
7101031306210
oct17032723674
95183527616
102020321212
11947467258
12484727450
13262740a50
14152468940
15bc578a5c
hex786ba7bc

2020321212 has 192 divisors, whose sum is σ = 6154788864. Its totient is φ = 501396480.

The previous prime is 2020321153. The next prime is 2020321217. The reversal of 2020321212 is 2121230202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2020321191 and 2020321200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020321217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1251718 + ... + 1253330.

It is an arithmetic number, because the mean of its divisors is an integer number (32056192).

Almost surely, 22020321212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020321212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3077394432).

2020321212 is an abundant number, since it is smaller than the sum of its proper divisors (4134467652).

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

2020321212 is a wasteful number, since it uses less digits than its factorization.

2020321212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708 (or 1706 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2020321212 is about 44947.9834030405. The cubic root of 2020321212 is about 1264.1738656510.

Adding to 2020321212 its reverse (2121230202), we get a palindrome (4141551414).

The spelling of 2020321212 in words is "two billion, twenty million, three hundred twenty-one thousand, two hundred twelve".