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20325001764 = 22337222120611
BaseRepresentation
bin10010111011011101…
…101110101000100100
31221110111002001212010
4102323131232220210
5313111200024024
613200455154220
71316446443624
oct227335565044
957414061763
1020325001764
11868aa2a721
123b32975970
131bbbb1a682
14dab526884
157de567b29
hex4bb76ea24

20325001764 has 48 divisors (see below), whose sum is σ = 48731055296. Its totient is φ = 6588604800.

The previous prime is 20325001751. The next prime is 20325001771. The reversal of 20325001764 is 46710052302.

It is a super-2 number, since 2×203250017642 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975819 + ... + 996429.

Almost surely, 220325001764 is an apocalyptic number.

It is an amenable number.

20325001764 is an abundant number, since it is smaller than the sum of its proper divisors (28406053532).

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

20325001764 is a wasteful number, since it uses less digits than its factorization.

20325001764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22876 (or 22874 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 20325001764 in words is "twenty billion, three hundred twenty-five million, one thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 2221 4442 6663 8884 13326 20611 26652 41222 61833 82177 82444 123666 164354 246531 247332 328708 493062 762607 986124 1525214 2287821 3050428 4575642 9151284 45777031 91554062 137331093 183108124 274662186 549324372 1693750147 3387500294 5081250441 6775000588 10162500882 20325001764