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20068073 is a prime number
BaseRepresentation
bin100110010001…
…1011011101001
31101202120012222
41030203123221
520114134243
61554043425
7332401334
oct114433351
941676188
1020068073
1110367493
126879575
1342083cc
14294561b
151b66168
hex13236e9

20068073 has 2 divisors, whose sum is σ = 20068074. Its totient is φ = 20068072.

The previous prime is 20068063. The next prime is 20068093. The reversal of 20068073 is 37086002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18550249 + 1517824 = 4307^2 + 1232^2 .

It is a cyclic number.

It is not a de Polignac number, because 20068073 - 210 = 20067049 is a prime.

It is not a weakly prime, because it can be changed into another prime (20068003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10034036 + 10034037.

It is an arithmetic number, because the mean of its divisors is an integer number (10034037).

Almost surely, 220068073 is an apocalyptic number.

It is an amenable number.

20068073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20068073 is an equidigital number, since it uses as much as digits as its factorization.

20068073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20068073 is about 4479.7402826503. The cubic root of 20068073 is about 271.7493771685.

The spelling of 20068073 in words is "twenty million, sixty-eight thousand, seventy-three".