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32232220420 = 2258931357853
BaseRepresentation
bin11110000001001100…
…001010011100000100
310002012022121110010111
4132001030022130010
51012002422023140
622450212202404
72220513232051
oct360114123404
9102168543114
1032232220420
11127402802a4
1262b6609404
13306899829a
1417baab2028
15c89aac7ea
hex78130a704

32232220420 has 48 divisors (see below), whose sum is σ = 68668069680. Its totient is φ = 12707076096.

The previous prime is 32232220417. The next prime is 32232220453. The reversal of 32232220420 is 2402223223.

It can be written as a sum of positive squares in 8 ways, for example, as 16842329284 + 15389891136 = 129778^2 + 124056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32232220391 and 32232220400.

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 15 ways as a sum of consecutive naturals, for example, 528214 + ... + 586066.

It is an arithmetic number, because the mean of its divisors is an integer number (1430584785).

Almost surely, 232232220420 is an apocalyptic number.

It is an amenable number.

32232220420 is an abundant number, since it is smaller than the sum of its proper divisors (36435849260).

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

32232220420 is a wasteful number, since it uses less digits than its factorization.

32232220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58264 (or 58262 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 32232220420 its reverse (2402223223), we get a palindrome (34634443643).

The spelling of 32232220420 in words is "thirty-two billion, two hundred thirty-two million, two hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 89 178 313 356 445 626 890 1252 1565 1780 3130 6260 27857 55714 57853 111428 115706 139285 231412 278570 289265 557140 578530 1157060 5148917 10297834 18107989 20595668 25744585 36215978 51489170 72431956 90539945 102978340 181079890 362159780 1611611021 3223222042 6446444084 8058055105 16116110210 32232220420