Search a number
-
+
20440342014 = 236172377717
BaseRepresentation
bin10011000010010101…
…101101110111111110
31221202112002221221020
4103002111231313332
5313330211421024
613220135245010
71322350016601
oct230225556776
957675087836
1020440342014
11873a049544
123b65519766
131c099a2641
14dbc98c338
157e974c979
hex4c256ddfe

20440342014 has 32 divisors (see below), whose sum is σ = 41561985696. Its totient is φ = 6699957120.

The previous prime is 20440341997. The next prime is 20440342033. The reversal of 20440342014 is 41024304402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644884 + ... + 2652600.

It is an arithmetic number, because the mean of its divisors is an integer number (1298812053).

Almost surely, 220440342014 is an apocalyptic number.

20440342014 is an abundant number, since it is smaller than the sum of its proper divisors (21121643682).

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

20440342014 is a wasteful number, since it uses less digits than its factorization.

20440342014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15020.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20440342014 its reverse (41024304402), we get a palindrome (61464646416).

The spelling of 20440342014 in words is "twenty billion, four hundred forty million, three hundred forty-two thousand, fourteen".

Divisors: 1 2 3 6 61 122 183 366 7237 7717 14474 15434 21711 23151 43422 46302 441457 470737 882914 941474 1324371 1412211 2648742 2824422 55847929 111695858 167543787 335087574 3406723669 6813447338 10220171007 20440342014