Search a number
-
+
20424100244 = 2216363312047
BaseRepresentation
bin10011000001010111…
…110000100110010100
31221201101112210102012
4103001113300212110
5313312032201434
613214355203352
71322061662522
oct230127604624
957641483365
1020424100244
118730965899
123b5bba6558
131c06506a22
14dba761312
157e80e03ce
hex4c15f0994

20424100244 has 12 divisors (see below), whose sum is σ = 35744474304. Its totient is φ = 10211393304.

The previous prime is 20424100243. The next prime is 20424100321. The reversal of 20424100244 is 44200142402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424100241) 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, 90572 + ... + 221475.

It is an arithmetic number, because the mean of its divisors is an integer number (2978706192).

Almost surely, 220424100244 is an apocalyptic number.

It is an amenable number.

20424100244 is a deficient number, since it is larger than the sum of its proper divisors (15320374060).

20424100244 is a wasteful number, since it uses less digits than its factorization.

20424100244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328414 (or 328412 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20424100244 its reverse (44200142402), we get a palindrome (64624242646).

The spelling of 20424100244 in words is "twenty billion, four hundred twenty-four million, one hundred thousand, two hundred forty-four".

Divisors: 1 2 4 16363 32726 65452 312047 624094 1248188 5106025061 10212050122 20424100244