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20425337441 = 103641309367
BaseRepresentation
bin10011000001011100…
…011110101001100001
31221201110212122112022
4103001130132221201
5313312341244231
613214441511225
71322105334515
oct230134365141
957643778468
1020425337441
118731630373
123b604a2515
131c0684abb2
14dba9a4145
157e8286c7b
hex4c171ea61

20425337441 has 8 divisors (see below), whose sum is σ = 20655882624. Its totient is φ = 20195412480.

The previous prime is 20425337431. The next prime is 20425337447. The reversal of 20425337441 is 14473352402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20425337441 - 222 = 20421143137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20425337447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88661 + ... + 220706.

It is an arithmetic number, because the mean of its divisors is an integer number (2581985328).

Almost surely, 220425337441 is an apocalyptic number.

It is an amenable number.

20425337441 is a deficient number, since it is larger than the sum of its proper divisors (230545183).

20425337441 is a wasteful number, since it uses less digits than its factorization.

20425337441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310111.

The product of its (nonzero) digits is 80640, while the sum is 35.

Adding to 20425337441 its reverse (14473352402), we get a palindrome (34898689843).

The spelling of 20425337441 in words is "twenty billion, four hundred twenty-five million, three hundred thirty-seven thousand, four hundred forty-one".

Divisors: 1 103 641 66023 309367 31864801 198304247 20425337441