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20068201 = 47597237
BaseRepresentation
bin100110010001…
…1011101101001
31101202120101201
41030203131221
520114140301
61554044201
7332401606
oct114433551
941676351
1020068201
111036759a
126879661
13420849a
1429456ad
151b66201
hex1323769

20068201 has 8 divisors (see below), whose sum is σ = 20845440. Its totient is φ = 19305648.

The previous prime is 20068183. The next prime is 20068219. The reversal of 20068201 is 10286002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20068183) and next prime (20068219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20068201 - 27 = 20068073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20068271) 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 in 7 ways as a sum of consecutive naturals, for example, 846 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (2605680).

Almost surely, 220068201 is an apocalyptic number.

It is an amenable number.

20068201 is a deficient number, since it is larger than the sum of its proper divisors (777239).

20068201 is an equidigital number, since it uses as much as digits as its factorization.

20068201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7343.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 20068201 is about 4479.7545691701. The cubic root of 20068201 is about 271.7499549328.

The spelling of 20068201 in words is "twenty million, sixty-eight thousand, two hundred one".

Divisors: 1 47 59 2773 7237 340139 426983 20068201