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20201350502321 = 138194823154267
BaseRepresentation
bin1001001011111011111100…
…10100100001011110110001
32122112020012211221211001122
410211331332110201132301
510121434331212033241
6110544212230112025
74153333204035302
oct445757624413661
978466184854048
1020201350502321
11648938778a65a
1223231a74ab615
13b36c96340ac1
144dba718487a9
1525073bb7404b
hex125f7e5217b1

20201350502321 has 8 divisors (see below), whose sum is σ = 20216322805824. Its totient is φ = 20186378699760.

The previous prime is 20201350502297. The next prime is 20201350502381. The reversal of 20201350502321 is 12320505310202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20201350502321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201350502381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130873430 + ... + 131027696.

It is an arithmetic number, because the mean of its divisors is an integer number (2527040350728).

Almost surely, 220201350502321 is an apocalyptic number.

It is an amenable number.

20201350502321 is a deficient number, since it is larger than the sum of its proper divisors (14972303503).

20201350502321 is a wasteful number, since it uses less digits than its factorization.

20201350502321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250471.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 20201350502321 its reverse (12320505310202), we get a palindrome (32521855812523).

The spelling of 20201350502321 in words is "twenty trillion, two hundred one billion, three hundred fifty million, five hundred two thousand, three hundred twenty-one".

Divisors: 1 1381 94823 154267 130950563 213042727 14628059741 20201350502321