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20201210200001 = 177915041854207
BaseRepresentation
bin1001001011111011101011…
…11101010011111111000001
32122112012212001221201110102
410211331311331103333001
510121434034302400001
6110544150255012145
74153326551345525
oct445756575237701
978465761851412
1020201210200001
116489315571426
12232316850a055
13b36c73258c8c
144dba5ad65d85
1525072e6ace6b
hex125f75f53fc1

20201210200001 has 8 divisors (see below), whose sum is σ = 21660270059520. Its totient is φ = 18772234049088.

The previous prime is 20201210199971. The next prime is 20201210200027. The reversal of 20201210200001 is 10000201210202.

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 not a de Polignac number, because 20201210200001 - 222 = 20201206005697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20201210200901) 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, 7520925761 + ... + 7520928446.

It is an arithmetic number, because the mean of its divisors is an integer number (2707533757440).

Almost surely, 220201210200001 is an apocalyptic number.

It is an amenable number.

20201210200001 is a deficient number, since it is larger than the sum of its proper divisors (1459059859519).

20201210200001 is a wasteful number, since it uses less digits than its factorization.

20201210200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15041854303.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20201210200001 its reverse (10000201210202), we get a palindrome (30201411410203).

The spelling of 20201210200001 in words is "twenty trillion, two hundred one billion, two hundred ten million, two hundred thousand, one".

Divisors: 1 17 79 1343 15041854207 255711521519 1188306482353 20201210200001