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22130311003220 = 22571814495773371
BaseRepresentation
bin1010000100000100111010…
…10100110111110001010100
32220100122012102110012110102
411002002131110313301110
510400040334104100340
6115022305144113232
74442601510542150
oct502023524676124
986318172405412
1022130311003220
117062459697302
122595004465818
13c46b57ca0ab4
14567181612060
152859d815b215
hex14209d537c54

22130311003220 has 192 divisors, whose sum is σ = 53633801894400. Its totient is φ = 7513532006400.

The previous prime is 22130311003139. The next prime is 22130311003249. The reversal of 22130311003220 is 2230011303122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22130311003192 and 22130311003201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6564908135 + ... + 6564911505.

It is an arithmetic number, because the mean of its divisors is an integer number (279342718200).

Almost surely, 222130311003220 is an apocalyptic number.

22130311003220 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 22130311003220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26816900947200).

22130311003220 is an abundant number, since it is smaller than the sum of its proper divisors (31503490891180).

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

22130311003220 is a wasteful number, since it uses less digits than its factorization.

22130311003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 22130311003220 its reverse (2230011303122), we get a palindrome (24360322306342).

The spelling of 22130311003220 in words is "twenty-two trillion, one hundred thirty billion, three hundred eleven million, three thousand, two hundred twenty".