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20442403482 = 2325724415431
BaseRepresentation
bin10011000010011101…
…100101001010011010
31221202122222200201220
4103002131211022122
5313331223402412
613220251352510
71322403363654
oct230235451232
957678880656
1020442403482
118740227336
123b66152736
131c0a244a47
14dbcd676d4
157e9a0868c
hex4c276529a

20442403482 has 32 divisors (see below), whose sum is σ = 41068266624. Its totient is φ = 6783590400.

The previous prime is 20442403481. The next prime is 20442403529. The reversal of 20442403482 is 28430424402.

It is not an unprimeable number, because it can be changed into a prime (20442403481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3761307 + ... + 3766737.

It is an arithmetic number, because the mean of its divisors is an integer number (1283383332).

Almost surely, 220442403482 is an apocalyptic number.

20442403482 is an abundant number, since it is smaller than the sum of its proper divisors (20625863142).

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

20442403482 is a wasteful number, since it uses less digits than its factorization.

20442403482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8134.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20442403482 its reverse (28430424402), we get a palindrome (48872827884).

The spelling of 20442403482 in words is "twenty billion, four hundred forty-two million, four hundred three thousand, four hundred eighty-two".

Divisors: 1 2 3 6 257 514 771 1542 2441 4882 5431 7323 10862 14646 16293 32586 627337 1254674 1395767 1882011 2791534 3764022 4187301 8374602 13257071 26514142 39771213 79542426 3407067247 6814134494 10221201741 20442403482