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20303036474 = 2729211123689
BaseRepresentation
bin10010111010001001…
…111100000000111010
31221101221202010010212
4102322021330000322
5313040034131344
613154352311122
71316061651110
oct227211740072
957357663125
1020303036474
118679597896
123b275424a2
131bb73c9866
14da8649ab0
157dc67979e
hex4ba27c03a

20303036474 has 32 divisors (see below), whose sum is σ = 36023961600. Its totient is φ = 8396922240.

The previous prime is 20303036461. The next prime is 20303036497. The reversal of 20303036474 is 47463030302.

It is a self number, because there is not a number n which added to its sum of digits gives 20303036474.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845222 + ... + 868910.

It is an arithmetic number, because the mean of its divisors is an integer number (1125748800).

Almost surely, 220303036474 is an apocalyptic number.

20303036474 is a deficient number, since it is larger than the sum of its proper divisors (15720925126).

20303036474 is a wasteful number, since it uses less digits than its factorization.

20303036474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25838.

The product of its (nonzero) digits is 36288, while the sum is 32.

Adding to 20303036474 its reverse (47463030302), we get a palindrome (67766066776).

The spelling of 20303036474 in words is "twenty billion, three hundred three million, thirty-six thousand, four hundred seventy-four".

Divisors: 1 2 7 14 29 58 203 406 2111 4222 14777 23689 29554 47378 61219 122438 165823 331646 428533 686981 857066 1373962 4808867 9617734 50007479 100014958 350052353 700104706 1450216891 2900433782 10151518237 20303036474