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12322330220 = 2253623170057
BaseRepresentation
bin10110111100111011…
…11101011001101100
31011210202122020021202
423132131331121230
5200214004031340
65354422145032
7614234035664
oct133635753154
934722566252
1012322330220
1152536a8092
12247a882178
131214b80575
1484c7651a4
154c1be0c15
hex2de77d66c

12322330220 has 24 divisors (see below), whose sum is σ = 25884188064. Its totient is φ = 4927542656.

The previous prime is 12322330219. The next prime is 12322330331. The reversal of 12322330220 is 2203322321.

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 = 12322330192 and 12322330201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12569 + ... + 157488.

It is an arithmetic number, because the mean of its divisors is an integer number (1078507836).

Almost surely, 212322330220 is an apocalyptic number.

12322330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12322330220 is an abundant number, since it is smaller than the sum of its proper divisors (13561857844).

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

12322330220 is a wasteful number, since it uses less digits than its factorization.

12322330220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173689 (or 173687 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 12322330220 its reverse (2203322321), we get a palindrome (14525652541).

The spelling of 12322330220 in words is "twelve billion, three hundred twenty-two million, three hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 3623 7246 14492 18115 36230 72460 170057 340114 680228 850285 1700570 3401140 616116511 1232233022 2464466044 3080582555 6161165110 12322330220