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20050658529120 = 2533589109478441
BaseRepresentation
bin1001000111100011010000…
…11000010000111101100000
32121222211020212102102102000
410203301220120100331200
510112002222040412440
6110351051222124000
74136420003303412
oct443615030207540
977884225372360
1020050658529120
11643048902482a
1222b9b50b80600
13b259cc60295b
144d465820c9b2
1524b86c45a730
hex123c68610f60

20050658529120 has 384 divisors, whose sum is σ = 71617026096000. Its totient is φ = 5238252011520.

The previous prime is 20050658529119. The next prime is 20050658529127. The reversal of 20050658529120 is 2192585605002.

20050658529120 is a `hidden beast` number, since 2 + 0 + 0 + 50 + 6 + 58 + 529 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050658529127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41669100 + ... + 42147540.

It is an arithmetic number, because the mean of its divisors is an integer number (186502672125).

Almost surely, 220050658529120 is an apocalyptic number.

20050658529120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20050658529120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35808513048000).

20050658529120 is an abundant number, since it is smaller than the sum of its proper divisors (51566367566880).

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

20050658529120 is a wasteful number, since it uses less digits than its factorization.

20050658529120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478663 (or 478649 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 20050658529120 in words is "twenty trillion, fifty billion, six hundred fifty-eight million, five hundred twenty-nine thousand, one hundred twenty".