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2220000233220 = 22335711291841071
BaseRepresentation
bin100000010011100010010…
…100110100011100000100
321212020012122002122122000
4200103202110310130010
5242333030024430340
64415504245305300
7316250450426640
oct40234224643404
97766178078560
102220000233220
11786551290250
122ba301705230
13131464310373
147963ccb7c20
153cb32216d30
hex204e2534704

2220000233220 has 384 divisors, whose sum is σ = 8907842764800. Its totient is φ = 445391654400.

The previous prime is 2220000233207. The next prime is 2220000233239. The reversal of 2220000233220 is 223320000222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2220000233193 and 2220000233202.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 285285 + ... + 2126355.

It is an arithmetic number, because the mean of its divisors is an integer number (23197507200).

Almost surely, 22220000233220 is an apocalyptic number.

2220000233220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2220000233220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4453921382400).

2220000233220 is an abundant number, since it is smaller than the sum of its proper divisors (6687842531580).

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

2220000233220 is a wasteful number, since it uses less digits than its factorization.

2220000233220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841136 (or 1841128 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 2220000233220 its reverse (223320000222), we get a palindrome (2443320233442).

It can be divided in two parts, 22200002 and 33220, that added together give a palindrome (22233222).

The spelling of 2220000233220 in words is "two trillion, two hundred twenty billion, two hundred thirty-three thousand, two hundred twenty".