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20301041 = 42148221
BaseRepresentation
bin100110101110…
…0010011110001
31102012101210102
41031130103301
520144113131
62003042145
7334361465
oct115342361
942171712
1020301041
1110506522
126970355
13428a467
1429a64a5
151bb01cb
hex135c4f1

20301041 has 4 divisors (see below), whose sum is σ = 20349684. Its totient is φ = 20252400.

The previous prime is 20301037. The next prime is 20301059. The reversal of 20301041 is 14010302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14010302 = 27005151.

It can be written as a sum of positive squares in 2 ways, for example, as 364816 + 19936225 = 604^2 + 4465^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301041 - 22 = 20301037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20300041) 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 3 ways as a sum of consecutive naturals, for example, 23690 + ... + 24531.

It is an arithmetic number, because the mean of its divisors is an integer number (5087421).

Almost surely, 220301041 is an apocalyptic number.

It is an amenable number.

20301041 is a deficient number, since it is larger than the sum of its proper divisors (48643).

20301041 is an equidigital number, since it uses as much as digits as its factorization.

20301041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48642.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 20301041 is about 4505.6676530787. The cubic root of 20301041 is about 272.7969033354.

Adding to 20301041 its reverse (14010302), we get a palindrome (34311343).

The spelling of 20301041 in words is "twenty million, three hundred one thousand, forty-one".

Divisors: 1 421 48221 20301041