Search a number
-
+
20012220112010 = 257599743497339
BaseRepresentation
bin1001000110011011101010…
…10001010101110010001010
32121212011001000202111220212
410203031311101111302022
510110340011322041020
6110321253105321122
74133556320166410
oct443156521256212
977764030674825
1020012220112010
116416153599065
1222b26040361a2
13b221b4c24c49
144d284d1b52b0
1524a86cad4cc5
hex123375455c8a

20012220112010 has 64 divisors (see below), whose sum is σ = 41870139494400. Its totient is φ = 6744332980032.

The previous prime is 20012220111971. The next prime is 20012220112037. The reversal of 20012220112010 is 1021102221002.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 39989921 + ... + 40487259.

It is an arithmetic number, because the mean of its divisors is an integer number (654220929600).

Almost surely, 220012220112010 is an apocalyptic number.

20012220112010 is an abundant number, since it is smaller than the sum of its proper divisors (21857919382390).

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

20012220112010 is a wasteful number, since it uses less digits than its factorization.

20012220112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507155.

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

Adding to 20012220112010 its reverse (1021102221002), we get a palindrome (21033322333012).

The spelling of 20012220112010 in words is "twenty trillion, twelve billion, two hundred twenty million, one hundred twelve thousand, ten".

Divisors: 1 2 5 7 10 14 35 59 70 118 295 413 590 826 2065 4130 9743 19486 48715 68201 97430 136402 341005 497339 574837 682010 994678 1149674 2486695 2874185 3481373 4023859 4973390 5748370 6962746 8047718 17406865 20119295 29343001 34813730 40238590 58686002 146715005 205401007 293430010 410802014 1027005035 2054010070 4845573877 9691147754 24227869385 33919017139 48455738770 67838034278 169595085695 285888858743 339190171390 571777717486 1429444293715 2001222011201 2858888587430 4002444022402 10006110056005 20012220112010