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20425200532 = 2211464209103
BaseRepresentation
bin10011000001011011…
…111101001110010100
31221201110121200201121
4103001123331032110
5313312322404112
613214434533324
71322104224412
oct230133751624
957643550647
1020425200532
118731547520
123b60437244
131c06800799
14dba96a2b2
157e825b407
hex4c16fd394

20425200532 has 12 divisors (see below), whose sum is σ = 38993564736. Its totient is φ = 9284182040.

The previous prime is 20425200503. The next prime is 20425200553. The reversal of 20425200532 is 23500252402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20425200497 and 20425200506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232104508 + ... + 232104595.

It is an arithmetic number, because the mean of its divisors is an integer number (3249463728).

Almost surely, 220425200532 is an apocalyptic number.

20425200532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20425200532 is a deficient number, since it is larger than the sum of its proper divisors (18568364204).

20425200532 is a wasteful number, since it uses less digits than its factorization.

20425200532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464209118 (or 464209116 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 20425200532 its reverse (23500252402), we get a palindrome (43925452934).

The spelling of 20425200532 in words is "twenty billion, four hundred twenty-five million, two hundred thousand, five hundred thirty-two".

Divisors: 1 2 4 11 22 44 464209103 928418206 1856836412 5106300133 10212600266 20425200532