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20201093009 is a prime number
BaseRepresentation
bin10010110100000101…
…000011011110010001
31221010211220211222222
4102310011003132101
5312332434434014
613140311310425
71313413312616
oct226405033621
957124824888
1020201093009
118626a99199
123ab937b415
131b9c255596
14d98cb050d
157d373e08e
hex4b4143791

20201093009 has 2 divisors, whose sum is σ = 20201093010. Its totient is φ = 20201093008.

The previous prime is 20201092987. The next prime is 20201093089. The reversal of 20201093009 is 90039010202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19216890625 + 984202384 = 138625^2 + 31372^2 .

It is a cyclic number.

It is not a de Polignac number, because 20201093009 - 28 = 20201092753 is a prime.

It is not a weakly prime, because it can be changed into another prime (20201093089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100546504 + 10100546505.

It is an arithmetic number, because the mean of its divisors is an integer number (10100546505).

Almost surely, 220201093009 is an apocalyptic number.

It is an amenable number.

20201093009 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201093009 is an equidigital number, since it uses as much as digits as its factorization.

20201093009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 20201093009 in words is "twenty billion, two hundred one million, ninety-three thousand, nine".