Search a number
-
+
20206367 = 191517043
BaseRepresentation
bin100110100010…
…1001100011111
31102000120220222
41031011030133
520133100432
62001031555
7333515456
oct115051437
942016828
1020206367
1110451385
1269255bb
13425633c
14297db9d
151b92112
hex134531f

20206367 has 8 divisors (see below), whose sum is σ = 21413760. Its totient is φ = 19013400.

The previous prime is 20206349. The next prime is 20206369. The reversal of 20206367 is 76360202.

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 20206367 - 210 = 20205343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20206369) 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, 653 + ... + 6390.

It is an arithmetic number, because the mean of its divisors is an integer number (2676720).

Almost surely, 220206367 is an apocalyptic number.

20206367 is a deficient number, since it is larger than the sum of its proper divisors (1207393).

20206367 is a wasteful number, since it uses less digits than its factorization.

20206367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 20206367 is about 4495.1492744958. The cubic root of 20206367 is about 272.3721792022.

Adding to 20206367 its reverse (76360202), we get a palindrome (96566569).

The spelling of 20206367 in words is "twenty million, two hundred six thousand, three hundred sixty-seven".

Divisors: 1 19 151 2869 7043 133817 1063493 20206367