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20206882 = 225739313
BaseRepresentation
bin100110100010…
…1010100100010
31102000121122001
41031011110202
520133110012
62001034214
7333520123
oct115052442
942017561
1020206882
1110451803
12692596a
134256647
14298004a
151b92357
hex1345522

20206882 has 8 divisors (see below), whose sum is σ = 30429036. Its totient is φ = 10063872.

The previous prime is 20206867. The next prime is 20206889. The reversal of 20206882 is 28860202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17147881 + 3059001 = 4141^2 + 1749^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 20206882.

It is not an unprimeable number, because it can be changed into a prime (20206889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19143 + ... + 20170.

Almost surely, 220206882 is an apocalyptic number.

20206882 is a deficient number, since it is larger than the sum of its proper divisors (10222154).

20206882 is a wasteful number, since it uses less digits than its factorization.

20206882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39572.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 20206882 is about 4495.2065581016. The cubic root of 20206882 is about 272.3744931672.

The spelling of 20206882 in words is "twenty million, two hundred six thousand, eight hundred eighty-two".

Divisors: 1 2 257 514 39313 78626 10103441 20206882