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20202006 = 2311306091
BaseRepresentation
bin100110100010…
…0001000010110
31102000100221110
41031010020112
520132431011
62000555450
7333466656
oct115041026
942010843
1020202006
1110449080
126922b86
134254366
14297c366
151b90ba6
hex1344216

20202006 has 16 divisors (see below), whose sum is σ = 44077248. Its totient is φ = 6121800.

The previous prime is 20201983. The next prime is 20202011. The reversal of 20202006 is 60020202.

It is a junction number, because it is equal to n+sod(n) for n = 20201982 and 20202000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152980 + ... + 153111.

It is an arithmetic number, because the mean of its divisors is an integer number (2754828).

Almost surely, 220202006 is an apocalyptic number.

20202006 is an abundant number, since it is smaller than the sum of its proper divisors (23875242).

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

20202006 is a wasteful number, since it uses less digits than its factorization.

20202006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306107.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20202006 is about 4494.6641698797. The cubic root of 20202006 is about 272.3525830598.

Adding to 20202006 its reverse (60020202), we get a palindrome (80222208).

The spelling of 20202006 in words is "twenty million, two hundred two thousand, six".

Divisors: 1 2 3 6 11 22 33 66 306091 612182 918273 1836546 3367001 6734002 10101003 20202006