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22434320220 = 22351328761949
BaseRepresentation
bin10100111001001100…
…001000111101011100
32010220111010112210220
4110321030020331130
5331421141221340
614150045201340
71422641401254
oct247114107534
963814115726
1022434320220
119572652914
124421260250
132166b1bac0
14112b71a964
158b4820ed0
hex539308f5c

22434320220 has 48 divisors (see below), whose sum is σ = 67648106400. Its totient is φ = 5522294016.

The previous prime is 22434320213. The next prime is 22434320273. The reversal of 22434320220 is 2202343422.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14380195 + ... + 14381754.

It is an arithmetic number, because the mean of its divisors is an integer number (1409335550).

Almost surely, 222434320220 is an apocalyptic number.

22434320220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22434320220 is an abundant number, since it is smaller than the sum of its proper divisors (45213786180).

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

22434320220 is a wasteful number, since it uses less digits than its factorization.

22434320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28761974 (or 28761972 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22434320220 its reverse (2202343422), we get a palindrome (24636663642).

The spelling of 22434320220 in words is "twenty-two billion, four hundred thirty-four million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 28761949 57523898 86285847 115047796 143809745 172571694 287619490 345143388 373905337 431429235 575238980 747810674 862858470 1121716011 1495621348 1725716940 1869526685 2243432022 3739053370 4486864044 5608580055 7478106740 11217160110 22434320220