Search a number
-
+
2020221120 = 26352104397
BaseRepresentation
bin111100001101010…
…0010000011000000
312012210101212101110
41320122202003000
513114134033440
6532244203320
7101030411331
oct17032420300
95183355343
102020221120
119473a9035
12484699540
13262707318
14152440288
15bc559080
hex786a20c0

2020221120 has 56 divisors (see below), whose sum is σ = 6414205104. Its totient is φ = 538725376.

The previous prime is 2020221107. The next prime is 2020221121. The reversal of 2020221120 is 211220202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2020221096 and 2020221105.

It is not an unprimeable number, because it can be changed into a prime (2020221121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051239 + ... + 1053158.

Almost surely, 22020221120 is an apocalyptic number.

2020221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020221120 is an abundant number, since it is smaller than the sum of its proper divisors (4393983984).

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

2020221120 is a wasteful number, since it uses less digits than its factorization.

2020221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104417 (or 2104407 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2020221120 is about 44946.8699688866. The cubic root of 2020221120 is about 1264.1529884790.

Adding to 2020221120 its reverse (211220202), we get a palindrome (2231441322).

The spelling of 2020221120 in words is "two billion, twenty million, two hundred twenty-one thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 2104397 4208794 6313191 8417588 10521985 12626382 16835176 21043970 25252764 31565955 33670352 42087940 50505528 63131910 67340704 84175880 101011056 126263820 134681408 168351760 202022112 252527640 336703520 404044224 505055280 673407040 1010110560 2020221120