Search a number
-
+
20441231322 = 233713991733
BaseRepresentation
bin10011000010011001…
…000110111111011010
31221202120210010211120
4103002121012333122
5313330423400242
613220210310110
71322360412411
oct230231067732
957676703746
1020441231322
11873a5a6706
123b65888336
131c09c24365
14dbcb40478
157e98761ec
hex4c2646fda

20441231322 has 16 divisors (see below), whose sum is σ = 40884009120. Its totient is φ = 6813486032.

The previous prime is 20441231309. The next prime is 20441231323. The reversal of 20441231322 is 22313214402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20441231292 and 20441231301.

It is not an unprimeable number, because it can be changed into a prime (20441231323) 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, 176968 + ... + 268700.

It is an arithmetic number, because the mean of its divisors is an integer number (2555250570).

Almost surely, 220441231322 is an apocalyptic number.

20441231322 is an abundant number, since it is smaller than the sum of its proper divisors (20442777798).

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

20441231322 is a wasteful number, since it uses less digits than its factorization.

20441231322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128877.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 20441231322 its reverse (22313214402), we get a palindrome (42754445724).

The spelling of 20441231322 in words is "twenty billion, four hundred forty-one million, two hundred thirty-one thousand, three hundred twenty-two".

Divisors: 1 2 3 6 37139 74278 91733 111417 183466 222834 275199 550398 3406871887 6813743774 10220615661 20441231322