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22111113132020 = 225117111319165587
BaseRepresentation
bin1010000011100001001010…
…00010110011011111110100
32220021210122111021022001202
411001300211002303133310
510344232024430211040
6115005412151112032
74441321665406163
oct501604502633764
986253574238052
1022111113132020
1170552a7a22550
122591347072618
13c450b8842cb3
1456627da8b3da
15285262a38015
hex141c250b37f4

22111113132020 has 192 divisors, whose sum is σ = 52094695145472. Its totient is φ = 7815752448000.

The previous prime is 22111113131971. The next prime is 22111113132071. The reversal of 22111113132020 is 2023131111122.

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 = 22111113131983 and 22111113132001.

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, 337093667 + ... + 337159253.

It is an arithmetic number, because the mean of its divisors is an integer number (271326537216).

Almost surely, 222111113132020 is an apocalyptic number.

22111113132020 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 22111113132020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26047347572736).

22111113132020 is an abundant number, since it is smaller than the sum of its proper divisors (29983582013452).

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

22111113132020 is a wasteful number, since it uses less digits than its factorization.

22111113132020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65982 (or 65980 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 22111113132020 its reverse (2023131111122), we get a palindrome (24134244243142).

The spelling of 22111113132020 in words is "twenty-two trillion, one hundred eleven billion, one hundred thirteen million, one hundred thirty-two thousand, twenty".