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20800607 is a prime number
BaseRepresentation
bin100111101011…
…0010001011111
31110010210001212
41033112101133
520311104412
62021455035
7341542112
oct117262137
943123055
1020800607
1110817893
126b7147b
134403969
142a96579
151c5d222
hex13d645f

20800607 has 2 divisors, whose sum is σ = 20800608. Its totient is φ = 20800606.

The previous prime is 20800603. The next prime is 20800631. The reversal of 20800607 is 70600802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20800607 - 22 = 20800603 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20800601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10400303 + 10400304.

It is an arithmetic number, because the mean of its divisors is an integer number (10400304).

Almost surely, 220800607 is an apocalyptic number.

20800607 is a deficient number, since it is larger than the sum of its proper divisors (1).

20800607 is an equidigital number, since it uses as much as digits as its factorization.

20800607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 20800607 is about 4560.7682466883. The cubic root of 20800607 is about 275.0164486029.

The spelling of 20800607 in words is "twenty million, eight hundred thousand, six hundred seven".