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22130033220 = 22335177333023
BaseRepresentation
bin10100100111000011…
…011000001001000100
32010010021120011112000
4110213003120021010
5330310242030340
614055535225300
71412255115201
oct244703301104
963107504460
1022130033220
119426910559
124357378230
132118a7c919
1410dd14cca8
15897c66d30
hex5270d8244

22130033220 has 192 divisors, whose sum is σ = 73899786240. Its totient is φ = 5477953536.

The previous prime is 22130033207. The next prime is 22130033279. The reversal of 22130033220 is 2233003122.

It is a happy number.

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 = 22130033193 and 22130033202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 653629 + ... + 686651.

It is an arithmetic number, because the mean of its divisors is an integer number (384894720).

Almost surely, 222130033220 is an apocalyptic number.

22130033220 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 22130033220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36949893120).

22130033220 is an abundant number, since it is smaller than the sum of its proper divisors (51769753020).

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

22130033220 is a wasteful number, since it uses less digits than its factorization.

22130033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33131 (or 33123 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22130033220 its reverse (2233003122), we get a palindrome (24363036342).

The spelling of 22130033220 in words is "twenty-two billion, one hundred thirty million, thirty-three thousand, two hundred twenty".