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20005341 = 36668447
BaseRepresentation
bin100110001010…
…0000111011101
31101122101011120
41030110013131
520110132331
61552441153
7332020416
oct114240735
941571146
1020005341
1110324344
1268491b9
1341b59a5
14292a80d
151b52796
hex13141dd

20005341 has 4 divisors (see below), whose sum is σ = 26673792. Its totient is φ = 13336892.

The previous prime is 20005319. The next prime is 20005343. The reversal of 20005341 is 14350002.

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.

It is a cyclic number.

It is not a de Polignac number, because 20005341 - 27 = 20005213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20005341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20005343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3334221 + ... + 3334226.

It is an arithmetic number, because the mean of its divisors is an integer number (6668448).

Almost surely, 220005341 is an apocalyptic number.

It is an amenable number.

20005341 is a deficient number, since it is larger than the sum of its proper divisors (6668451).

20005341 is an equidigital number, since it uses as much as digits as its factorization.

20005341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6668450.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20005341 is about 4472.7330570916. The cubic root of 20005341 is about 271.4659223497.

Adding to 20005341 its reverse (14350002), we get a palindrome (34355343).

The spelling of 20005341 in words is "twenty million, five thousand, three hundred forty-one".

Divisors: 1 3 6668447 20005341