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20301113 = 72900159
BaseRepresentation
bin100110101110…
…0010100111001
31102012101220002
41031130110321
520144113423
62003042345
7334361630
oct115342471
942171802
1020301113
1110506588
1269703b5
13428a4c1
1429a6517
151bb0228
hex135c539

20301113 has 4 divisors (see below), whose sum is σ = 23201280. Its totient is φ = 17400948.

The previous prime is 20301107. The next prime is 20301119. The reversal of 20301113 is 31110302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31110302 = 215555151.

It is an interprime number because it is at equal distance from previous prime (20301107) and next prime (20301119).

It is a cyclic number.

It is not a de Polignac number, because 20301113 - 24 = 20301097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20301094 and 20301103.

It is not an unprimeable number, because it can be changed into a prime (20301119) 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, 1450073 + ... + 1450086.

It is an arithmetic number, because the mean of its divisors is an integer number (5800320).

Almost surely, 220301113 is an apocalyptic number.

It is an amenable number.

20301113 is a deficient number, since it is larger than the sum of its proper divisors (2900167).

20301113 is an equidigital number, since it uses as much as digits as its factorization.

20301113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2900166.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 20301113 is about 4505.6756430085. The cubic root of 20301113 is about 272.7972258370.

Adding to 20301113 its reverse (31110302), we get a palindrome (51411415).

The spelling of 20301113 in words is "twenty million, three hundred one thousand, one hundred thirteen".

Divisors: 1 7 2900159 20301113