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20169301 is a prime number
BaseRepresentation
bin100110011110…
…0001001010101
31101221201002011
41030330021111
520130404201
62000144221
7333302425
oct114741125
941851064
1020169301
1110426549
126908071
1342424c9
142970485
151b86151
hex133c255

20169301 has 2 divisors, whose sum is σ = 20169302. Its totient is φ = 20169300.

The previous prime is 20169299. The next prime is 20169311. The reversal of 20169301 is 10396102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11229201 + 8940100 = 3351^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 20169301 - 21 = 20169299 is a prime.

Together with 20169299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20169311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10084650 + 10084651.

It is an arithmetic number, because the mean of its divisors is an integer number (10084651).

Almost surely, 220169301 is an apocalyptic number.

It is an amenable number.

20169301 is a deficient number, since it is larger than the sum of its proper divisors (1).

20169301 is an equidigital number, since it uses as much as digits as its factorization.

20169301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 20169301 is about 4491.0244933645. The cubic root of 20169301 is about 272.2055332697.

The spelling of 20169301 in words is "twenty million, one hundred sixty-nine thousand, three hundred one".