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20212000122 = 2323732006353
BaseRepresentation
bin10010110100101110…
…101010010101111010
31221011121102222202010
4102310232222111322
5312343233000442
613141341150350
71313605111026
oct226456522572
957147388663
1020212000122
118632168936
123b00b5b3b6
131ba15a3cb2
14d9a50d386
157d4695b9c
hex4b4baa57a

20212000122 has 32 divisors (see below), whose sum is σ = 42759416448. Its totient is φ = 6356123136.

The previous prime is 20212000121. The next prime is 20212000153. The reversal of 20212000122 is 22100021202.

It is a junction number, because it is equal to n+sod(n) for n = 20212000098 and 20212000107.

It is not an unprimeable number, because it can be changed into a prime (20212000121) 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 15 ways as a sum of consecutive naturals, for example, 993103 + ... + 1013250.

It is an arithmetic number, because the mean of its divisors is an integer number (1336231764).

Almost surely, 220212000122 is an apocalyptic number.

20212000122 is an abundant number, since it is smaller than the sum of its proper divisors (22547416326).

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

20212000122 is a wasteful number, since it uses less digits than its factorization.

20212000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006454.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20212000122 its reverse (22100021202), we get a palindrome (42312021324).

The spelling of 20212000122 in words is "twenty billion, two hundred twelve million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 23 46 69 73 138 146 219 438 1679 3358 5037 10074 2006353 4012706 6019059 12038118 46146119 92292238 138438357 146463769 276876714 292927538 439391307 878782614 3368666687 6737333374 10106000061 20212000122