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20372000474 = 2713116368147
BaseRepresentation
bin10010111110010001…
…000000111011011010
31221120202111211222002
4102332101000323122
5313210213003344
613205254401002
71320560101250
oct227621007332
957522454862
1020372000474
118704510531
123b46660162
131bc8794967
14db387c5d0
157e374d44e
hex4be440eda

20372000474 has 32 divisors (see below), whose sum is σ = 35406429696. Its totient is φ = 8610928560.

The previous prime is 20372000471. The next prime is 20372000477. The reversal of 20372000474 is 47400027302.

It is an interprime number because it is at equal distance from previous prime (20372000471) and next prime (20372000477).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20372000471) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 264869 + ... + 333015.

It is an arithmetic number, because the mean of its divisors is an integer number (1106450928).

Almost surely, 220372000474 is an apocalyptic number.

20372000474 is a deficient number, since it is larger than the sum of its proper divisors (15034429222).

20372000474 is a wasteful number, since it uses less digits than its factorization.

20372000474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68450.

The product of its (nonzero) digits is 9408, while the sum is 29.

Adding to 20372000474 its reverse (47400027302), we get a palindrome (67772027776).

The spelling of 20372000474 in words is "twenty billion, three hundred seventy-two million, four hundred seventy-four", and thus it is an aban number.

Divisors: 1 2 7 14 131 163 262 326 917 1141 1834 2282 21353 42706 68147 136294 149471 298942 477029 954058 8927257 11107961 17854514 22215922 62490799 77755727 124981598 155511454 1455142891 2910285782 10186000237 20372000474