Search a number
-
+
20122012220000 = 25541006100611
BaseRepresentation
bin1001001001101000001010…
…11000111111101001100000
32122020122102121222111001212
410210310011120333221200
510114134340112020000
6110443531431245252
74144524135542615
oct444640530775140
978218377874055
1020122012220000
116458774355899
12230b945219828
13b2c661333612
144d7ca692050c
1524d646814c35
hex124d0563fa60

20122012220000 has 60 divisors (see below), whose sum is σ = 49503168412236. Its totient is φ = 8048804880000.

The previous prime is 20122012219993. The next prime is 20122012220047. The reversal of 20122012220000 is 2221022102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 503030306 + ... + 503070305.

Almost surely, 220122012220000 is an apocalyptic number.

20122012220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20122012220000 is an abundant number, since it is smaller than the sum of its proper divisors (29381156192236).

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

20122012220000 is an equidigital number, since it uses as much as digits as its factorization.

20122012220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006100641 (or 1006100618 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20122012220000 its reverse (2221022102), we get a palindrome (20124233242102).

The spelling of 20122012220000 in words is "twenty trillion, one hundred twenty-two billion, twelve million, two hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 10000 20000 1006100611 2012201222 4024402444 5030503055 8048804888 10061006110 16097609776 20122012220 25152515275 32195219552 40244024440 50305030550 80488048880 100610061100 125762576375 160976097760 201220122200 251525152750 402440244400 503050305500 628812881875 804880488800 1006100611000 1257625763750 2012201222000 2515251527500 4024402444000 5030503055000 10061006110000 20122012220000