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20332244224 = 28151525979
BaseRepresentation
bin10010111011111001…
…010110110100000000
31221110222201000122101
4102323321112310000
5313120023303344
613201314320144
71316565136645
oct227371266400
957428630571
1020332244224
118694027026
123b35289054
131bc0485056
14dac48ddcc
157deee89d4
hex4bbe56d00

20332244224 has 36 divisors (see below), whose sum is σ = 40853918560. Its totient is φ = 10098777600.

The previous prime is 20332244131. The next prime is 20332244263. The reversal of 20332244224 is 42244223302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20332244192 and 20332244201.

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 3 ways as a sum of consecutive naturals, for example, 224334 + ... + 301645.

Almost surely, 220332244224 is an apocalyptic number.

It is an amenable number.

20332244224 is an abundant number, since it is smaller than the sum of its proper divisors (20521674336).

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

20332244224 is an equidigital number, since it uses as much as digits as its factorization.

20332244224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526146 (or 526132 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 20332244224 its reverse (42244223302), we get a palindrome (62576467526).

The spelling of 20332244224 in words is "twenty billion, three hundred thirty-two million, two hundred forty-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 32 64 128 151 256 302 604 1208 2416 4832 9664 19328 38656 525979 1051958 2103916 4207832 8415664 16831328 33662656 67325312 79422829 134650624 158845658 317691316 635382632 1270765264 2541530528 5083061056 10166122112 20332244224