Search a number
-
+
20012122012010 = 252314638645927
BaseRepresentation
bin1001000110011011011110…
…11011000111100101101010
32121212010210012011112000112
410203031233123013211222
510110334311213341020
6110321235242534322
74133554016306522
oct443155733074552
977763705145015
1020012122012010
116416103185087
1222b25972073a2
13b2219a7c81cb
144d284015a682
1524a8641a82c5
hex12336f6c796a

20012122012010 has 16 divisors (see below), whose sum is σ = 36021979414656. Its totient is φ = 8004813295248.

The previous prime is 20012122011979. The next prime is 20012122012031. The reversal of 20012122012010 is 1021022121002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008334 + ... + 6637593.

It is an arithmetic number, because the mean of its divisors is an integer number (2251373713416).

Almost surely, 220012122012010 is an apocalyptic number.

20012122012010 is a deficient number, since it is larger than the sum of its proper divisors (16009857402646).

20012122012010 is a wasteful number, since it uses less digits than its factorization.

20012122012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8877397.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20012122012010 its reverse (1021022121002), we get a palindrome (21033144133012).

The spelling of 20012122012010 in words is "twenty trillion, twelve billion, one hundred twenty-two million, twelve thousand, ten".

Divisors: 1 2 5 10 231463 462926 1157315 2314630 8645927 17291854 43229635 86459270 2001212201201 4002424402402 10006061006005 20012122012010