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20303132330 = 25131513792729
BaseRepresentation
bin10010111010001010…
…010011011010101010
31221101221220222122002
4102322022103122222
5313040100213310
613154354331002
71316062530425
oct227212233252
957357828562
1020303132330
118679652908
123b27589a62
131bb7431390
14da86729bc
157dc697da5
hex4ba2936aa

20303132330 has 64 divisors (see below), whose sum is σ = 39736569600. Its totient is φ = 7424524800.

The previous prime is 20303132329. The next prime is 20303132341. The reversal of 20303132330 is 3323130302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7438406 + ... + 7441134.

It is an arithmetic number, because the mean of its divisors is an integer number (620883900).

Almost surely, 220303132330 is an apocalyptic number.

20303132330 is a deficient number, since it is larger than the sum of its proper divisors (19433437270).

20303132330 is a wasteful number, since it uses less digits than its factorization.

20303132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 20303132330 its reverse (3323130302), we get a palindrome (23626262632).

The spelling of 20303132330 in words is "twenty billion, three hundred three million, one hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 151 302 379 755 758 1510 1895 1963 2729 3790 3926 4927 5458 9815 9854 13645 19630 24635 27290 35477 49270 57229 70954 114458 177385 286145 354770 412079 572290 743977 824158 1034291 1487954 2060395 2068582 3719885 4120790 5171455 5357027 7439770 10342910 10714054 13445783 26785135 26891566 53570270 67228915 134457830 156177941 312355882 780889705 1561779410 2030313233 4060626466 10151566165 20303132330