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20202466 = 289113497
BaseRepresentation
bin100110100010…
…0001111100010
31102000101120111
41031010033202
520132434331
62001001534
7333501214
oct115041742
942011514
1020202466
1110449459
1269232aa
13425462b
14297c5b4
151b90db1
hex13443e2

20202466 has 8 divisors (see below), whose sum is σ = 30644460. Its totient is φ = 9987648.

The previous prime is 20202461. The next prime is 20202467. The reversal of 20202466 is 66420202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15880225 + 4322241 = 3985^2 + 2079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20202461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56571 + ... + 56926.

Almost surely, 220202466 is an apocalyptic number.

20202466 is a deficient number, since it is larger than the sum of its proper divisors (10441994).

20202466 is a wasteful number, since it uses less digits than its factorization.

20202466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113588.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20202466 is about 4494.7153413759. The cubic root of 20202466 is about 272.3546502016.

Adding to 20202466 its reverse (66420202), we get a palindrome (86622668).

The spelling of 20202466 in words is "twenty million, two hundred two thousand, four hundred sixty-six".

Divisors: 1 2 89 178 113497 226994 10101233 20202466