Search a number
-
+
20060806867 is a prime number
BaseRepresentation
bin10010101011101101…
…111001111011010011
31220210001221120120221
4102223231321323103
5312041031304432
613114340413511
71310061021253
oct225355717323
956701846527
1020060806867
118564891132
123a7a3a7297
131b79177c2a
14d843d3963
157c627cb97
hex4abb79ed3

20060806867 has 2 divisors, whose sum is σ = 20060806868. Its totient is φ = 20060806866.

The previous prime is 20060806823. The next prime is 20060806873. The reversal of 20060806867 is 76860806002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20060806867 is a prime.

It is not a weakly prime, because it can be changed into another prime (20060806877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10030403433 + 10030403434.

It is an arithmetic number, because the mean of its divisors is an integer number (10030403434).

Almost surely, 220060806867 is an apocalyptic number.

20060806867 is a deficient number, since it is larger than the sum of its proper divisors (1).

20060806867 is an equidigital number, since it uses as much as digits as its factorization.

20060806867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 20060806867 in words is "twenty billion, sixty million, eight hundred six thousand, eight hundred sixty-seven".