Search a number
-
+
112020220 = 22513430847
BaseRepresentation
bin1101010110101…
…00101011111100
321210210012212001
412223110223330
5212134121340
615040552044
72530104364
oct653245374
9253705761
10112020220
11582614a4
1231622624
131a291a70
1410c3d9a4
159c7b29a
hex6ad4afc

112020220 has 24 divisors (see below), whose sum is σ = 253338624. Its totient is φ = 41361216.

The previous prime is 112020199. The next prime is 112020221. The reversal of 112020220 is 22020211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 112020197 and 112020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215164 + ... + 215683.

It is an arithmetic number, because the mean of its divisors is an integer number (10555776).

Almost surely, 2112020220 is an apocalyptic number.

112020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112020220 is an abundant number, since it is smaller than the sum of its proper divisors (141318404).

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

112020220 is a wasteful number, since it uses less digits than its factorization.

112020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430869 (or 430867 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 112020220 is about 10583.9605063511. The cubic root of 112020220 is about 482.0574588733.

Adding to 112020220 its reverse (22020211), we get a palindrome (134040431).

Subtracting from 112020220 its reverse (22020211), we obtain a palindrome (90000009).

The spelling of 112020220 in words is "one hundred twelve million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 430847 861694 1723388 2154235 4308470 5601011 8616940 11202022 22404044 28005055 56010110 112020220