Search a number
-
+
20568201 = 340916763
BaseRepresentation
bin100111001110…
…1100010001001
31102200222021020
41032131202021
520231140301
62012503053
7336553413
oct116354211
942628236
1020568201
1110679215
126a7aa89
134351c44
142a359b3
151c14436
hex139d889

20568201 has 8 divisors (see below), whose sum is σ = 27492960. Its totient is φ = 13677792.

The previous prime is 20568193. The next prime is 20568209. The reversal of 20568201 is 10286502.

It is an interprime number because it is at equal distance from previous prime (20568193) and next prime (20568209).

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

It is not a de Polignac number, because 20568201 - 23 = 20568193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20568209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7155 + ... + 9608.

It is an arithmetic number, because the mean of its divisors is an integer number (3436620).

Almost surely, 220568201 is an apocalyptic number.

It is an amenable number.

20568201 is a deficient number, since it is larger than the sum of its proper divisors (6924759).

20568201 is a wasteful number, since it uses less digits than its factorization.

20568201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17175.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 20568201 is about 4535.2178558477. The cubic root of 20568201 is about 273.9883535284.

The spelling of 20568201 in words is "twenty million, five hundred sixty-eight thousand, two hundred one".

Divisors: 1 3 409 1227 16763 50289 6856067 20568201