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20432023044 = 22323269275201
BaseRepresentation
bin10011000001110101…
…111110111000000100
31221201221110022110020
4103001311332320010
5313321044214134
613215241055140
71322216221206
oct230165767004
957657408406
1020432023044
118735387364
123b627874b0
131c0804bc84
14dbb824776
157e8b57b49
hex4c1d7ee04

20432023044 has 48 divisors (see below), whose sum is σ = 49932650880. Its totient is φ = 6490316800.

The previous prime is 20432023013. The next prime is 20432023069. The reversal of 20432023044 is 44032023402.

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, 63357 + ... + 211844.

It is an arithmetic number, because the mean of its divisors is an integer number (1040263560).

Almost surely, 220432023044 is an apocalyptic number.

It is an amenable number.

20432023044 is an abundant number, since it is smaller than the sum of its proper divisors (29500627836).

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

20432023044 is a wasteful number, since it uses less digits than its factorization.

20432023044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275500 (or 275498 counting only the distinct ones).

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

Adding to 20432023044 its reverse (44032023402), we get a palindrome (64464046446).

The spelling of 20432023044 in words is "twenty billion, four hundred thirty-two million, twenty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 269 276 538 807 1076 1614 3228 6187 12374 18561 24748 37122 74244 275201 550402 825603 1100804 1651206 3302412 6329623 12659246 18988869 25318492 37977738 74029069 75955476 148058138 222087207 296116276 444174414 888348828 1702668587 3405337174 5108005761 6810674348 10216011522 20432023044