Search a number
-
+
20371326 = 233395221
BaseRepresentation
bin100110110110…
…1011101111110
31102022222012120
41031231131332
520203340301
62004343410
7335103423
oct115553576
942288176
1020371326
1110554308
1269a4b66
1342b3451
1429c3d4a
151bc5e36
hex136d77e

20371326 has 8 divisors (see below), whose sum is σ = 40742664. Its totient is φ = 6790440.

The previous prime is 20371319. The next prime is 20371327. The reversal of 20371326 is 62317302.

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

20371326 is an admirable number.

It is a super-3 number, since 3×203713263 (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20371296 and 20371305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20371327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1697605 + ... + 1697616.

It is an arithmetic number, because the mean of its divisors is an integer number (5092833).

Almost surely, 220371326 is an apocalyptic number.

20371326 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20371326 is a wasteful number, since it uses less digits than its factorization.

20371326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395226.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 20371326 is about 4513.4605348889. The cubic root of 20371326 is about 273.1113608662. Note that the first 3 decimals are identical.

Adding to 20371326 its reverse (62317302), we get a palindrome (82688628).

The spelling of 20371326 in words is "twenty million, three hundred seventy-one thousand, three hundred twenty-six".

Divisors: 1 2 3 6 3395221 6790442 10185663 20371326