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20433032230 = 2513537394013
BaseRepresentation
bin10011000001111001…
…110101010000100110
31221202000100120210111
4103001321311100212
5313321324012410
613215314443234
71322230623352
oct230171652046
957660316714
1020433032230
118735a065a6
123b62b9351a
131c08313420
14dbba08462
157e8ca6b8a
hex4c1e75426

20433032230 has 64 divisors (see below), whose sum is σ = 40420658880. Its totient is φ = 7390296576.

The previous prime is 20433032219. The next prime is 20433032233. The reversal of 20433032230 is 3223033402.

It is a super-2 number, since 2×204330322302 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433032233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5089704 + ... + 5093716.

It is an arithmetic number, because the mean of its divisors is an integer number (631572795).

Almost surely, 220433032230 is an apocalyptic number.

20433032230 is a deficient number, since it is larger than the sum of its proper divisors (19987626650).

20433032230 is a wasteful number, since it uses less digits than its factorization.

20433032230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4825.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20433032230 its reverse (3223033402), we get a palindrome (23656065632).

The spelling of 20433032230 in words is "twenty billion, four hundred thirty-three million, thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 13 26 53 65 106 130 265 530 689 739 1378 1478 3445 3695 4013 6890 7390 8026 9607 19214 20065 39167 40130 48035 52169 78334 96070 104338 195835 212689 260845 391670 425378 509171 521690 1018342 1063445 2126890 2545855 2764957 2965607 5091710 5529914 5931214 13824785 14828035 27649570 29656070 38552891 77105782 157177171 192764455 314354342 385528910 785885855 1571771710 2043303223 4086606446 10216516115 20433032230