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20021412214 = 2107389240509
BaseRepresentation
bin10010101001010111…
…101000000101110110
31220200022211010021201
4102221113220011312
5312000440142324
613110412203114
71306102124116
oct225127500566
956608733251
1020021412214
118544624371
123a6916949a
131b70c63a9b
14d7d09b046
157c2a9a444
hex4a95e8176

20021412214 has 16 divisors (see below), whose sum is σ = 30390843600. Its totient is φ = 9891613024.

The previous prime is 20021412179. The next prime is 20021412221. The reversal of 20021412214 is 41221412002.

It is a junction number, because it is equal to n+sod(n) for n = 20021412191 and 20021412200.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 37009 + ... + 203500.

It is an arithmetic number, because the mean of its divisors is an integer number (1899427725).

Almost surely, 220021412214 is an apocalyptic number.

20021412214 is a deficient number, since it is larger than the sum of its proper divisors (10369431386).

20021412214 is a wasteful number, since it uses less digits than its factorization.

20021412214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241007.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20021412214 its reverse (41221412002), we get a palindrome (61242824216).

The spelling of 20021412214 in words is "twenty billion, twenty-one million, four hundred twelve thousand, two hundred fourteen".

Divisors: 1 2 107 214 389 778 41623 83246 240509 481018 25734463 51468926 93558001 187116002 10010706107 20021412214