Search a number
-
+
20020012221110 = 25111931163810839
BaseRepresentation
bin1001000110101010001011…
…01101111000001010110110
32121212220011001222200010012
410203111011231320022312
510111001441112033420
6110325022221300222
74134253365055556
oct443250555701266
977786131880105
1020020012221110
116419491a83a50
1222b4019704672
13b22b5737a1a5
144d2d8c005166
1524ab76c17dc5
hex123545b782b6

20020012221110 has 64 divisors (see below), whose sum is σ = 39549739415040. Its totient is φ = 7236048046080.

The previous prime is 20020012221107. The next prime is 20020012221163. The reversal of 20020012221110 is 1112221002002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24285071 + ... + 25095909.

It is an arithmetic number, because the mean of its divisors is an integer number (617964678360).

Almost surely, 220020012221110 is an apocalyptic number.

20020012221110 is a deficient number, since it is larger than the sum of its proper divisors (19529727193930).

20020012221110 is a wasteful number, since it uses less digits than its factorization.

20020012221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812213.

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

Adding to 20020012221110 its reverse (1112221002002), we get a palindrome (21132233223112).

The spelling of 20020012221110 in words is "twenty trillion, twenty billion, twelve million, two hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 11 22 55 110 193 386 965 1163 1930 2123 2326 4246 5815 10615 11630 12793 21230 25586 63965 127930 224459 448918 810839 1122295 1621678 2244590 2469049 4054195 4938098 8108390 8919229 12345245 17838458 24690490 44596145 89192290 156491927 312983854 782459635 943005757 1564919270 1721411197 1886011514 3442822394 4715028785 8607055985 9430057570 10373063327 17214111970 20746126654 51865316635 103730633270 182000111101 364000222202 910000555505 1820001111010 2002001222111 4004002444222 10010006110555 20020012221110