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20325001724 = 2234785917047
BaseRepresentation
bin10010111011011101…
…101110100111111100
31221110111002001210122
4102323131232213330
5313111200023344
613200455154112
71316446443536
oct227335564774
957414061718
1020325001724
11868aa2a695
123b32975938
131bbbb1a651
14dab526856
157de567aee
hex4bb76e9fc

20325001724 has 24 divisors (see below), whose sum is σ = 35714878080. Its totient is φ = 10120823856.

The previous prime is 20325001693. The next prime is 20325001751. The reversal of 20325001724 is 42710052302.

It is a junction number, because it is equal to n+sod(n) for n = 20325001693 and 20325001702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183769 + ... + 1200815.

It is an arithmetic number, because the mean of its divisors is an integer number (1488119920).

Almost surely, 220325001724 is an apocalyptic number.

It is an amenable number.

20325001724 is a deficient number, since it is larger than the sum of its proper divisors (15389876356).

20325001724 is a wasteful number, since it uses less digits than its factorization.

20325001724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18257 (or 18255 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 20325001724 in words is "twenty billion, three hundred twenty-five million, one thousand, seven hundred twenty-four".

Divisors: 1 2 4 347 694 859 1388 1718 3436 17047 34094 68188 298073 596146 1192292 5915309 11830618 14643373 23661236 29286746 58573492 5081250431 10162500862 20325001724