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20087355007 is a prime number
BaseRepresentation
bin10010101101010011…
…001011011001111111
31220211220220100210101
4102231103023121333
5312114330330012
613121125421531
71310532462136
oct225523133177
956756810711
1020087355007
118578874145
123a8726a8a7
131b818119a5
14d87b4491d
157c8773d57
hex4ad4cb67f

20087355007 has 2 divisors, whose sum is σ = 20087355008. Its totient is φ = 20087355006.

The previous prime is 20087354869. The next prime is 20087355011. The reversal of 20087355007 is 70055378002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20087355007 - 227 = 19953137279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20087355037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10043677503 + 10043677504.

It is an arithmetic number, because the mean of its divisors is an integer number (10043677504).

Almost surely, 220087355007 is an apocalyptic number.

20087355007 is a deficient number, since it is larger than the sum of its proper divisors (1).

20087355007 is an equidigital number, since it uses as much as digits as its factorization.

20087355007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 20087355007 in words is "twenty billion, eighty-seven million, three hundred fifty-five thousand, seven".