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1020203422 = 2731787481
BaseRepresentation
bin111100110011110…
…001000110011110
32122002200200222221
4330303301012132
54042133002142
6245122255554
734165405000
oct7463610636
92562620887
101020203422
11483972a27
122457b75ba
13133492084
14996ca370
155e872767
hex3ccf119e

1020203422 has 32 divisors (see below), whose sum is σ = 1889611200. Its totient is φ = 411505920.

The previous prime is 1020203411. The next prime is 1020203453. The reversal of 1020203422 is 2243020201.

It is a junction number, because it is equal to n+sod(n) for n = 1020203396 and 1020203405.

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 15 ways as a sum of consecutive naturals, for example, 32079 + ... + 55402.

It is an arithmetic number, because the mean of its divisors is an integer number (59050350).

Almost surely, 21020203422 is an apocalyptic number.

1020203422 is a deficient number, since it is larger than the sum of its proper divisors (869407778).

1020203422 is an equidigital number, since it uses as much as digits as its factorization.

1020203422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87521 (or 87507 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1020203422 is about 31940.6233815184. The cubic root of 1020203422 is about 1006.6896231528.

Adding to 1020203422 its reverse (2243020201), we get a palindrome (3263223623).

The spelling of 1020203422 in words is "one billion, twenty million, two hundred three thousand, four hundred twenty-two".

Divisors: 1 2 7 14 17 34 49 98 119 238 343 686 833 1666 5831 11662 87481 174962 612367 1224734 1487177 2974354 4286569 8573138 10410239 20820478 30005983 60011966 72871673 145743346 510101711 1020203422