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20600316140 = 2258312409829
BaseRepresentation
bin10011001011110111…
…111110000011101100
31222011200010111011212
4103023313332003230
5314142140104030
613244052133552
71326331540505
oct231367760354
958150114155
1020600316140
118811383468
123bab0072b8
131c33b843a1
14dd5d11bac
158087ec595
hex4cbdfe0ec

20600316140 has 24 divisors (see below), whose sum is σ = 43781880240. Its totient is φ = 8140847168.

The previous prime is 20600316109. The next prime is 20600316167. The reversal of 20600316140 is 4161300602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6203255 + ... + 6206574.

It is an arithmetic number, because the mean of its divisors is an integer number (1824245010).

Almost surely, 220600316140 is an apocalyptic number.

20600316140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20600316140 is an abundant number, since it is smaller than the sum of its proper divisors (23181564100).

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

20600316140 is a wasteful number, since it uses less digits than its factorization.

20600316140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12409921 (or 12409919 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20600316140 its reverse (4161300602), we get a palindrome (24761616742).

The spelling of 20600316140 in words is "twenty billion, six hundred million, three hundred sixteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 83 166 332 415 830 1660 12409829 24819658 49639316 62049145 124098290 248196580 1030015807 2060031614 4120063228 5150079035 10300158070 20600316140