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20002011020201 = 72857430145743
BaseRepresentation
bin1001000110001000101001…
…10000101111101110101001
32121211011200112112220202102
410203010110300233232221
510110203104310121301
6110312444053143145
74133045323302350
oct443042460575651
977734615486672
1020002011020201
116411894851301
1222b063502aab5
13b21248b19112
144d2161384997
1524a4716c3b6b
hex123114c2fba9

20002011020201 has 4 divisors (see below), whose sum is σ = 22859441165952. Its totient is φ = 17144580874452.

The previous prime is 20002011020191. The next prime is 20002011020203. The reversal of 20002011020201 is 10202011020002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20002011020201 - 26 = 20002011020137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002011020203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1428715072865 + ... + 1428715072878.

It is an arithmetic number, because the mean of its divisors is an integer number (5714860291488).

Almost surely, 220002011020201 is an apocalyptic number.

It is an amenable number.

20002011020201 is a deficient number, since it is larger than the sum of its proper divisors (2857430145751).

20002011020201 is an equidigital number, since it uses as much as digits as its factorization.

20002011020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857430145750.

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

Adding to 20002011020201 its reverse (10202011020002), we get a palindrome (30204022040203).

The spelling of 20002011020201 in words is "twenty trillion, two billion, eleven million, twenty thousand, two hundred one".

Divisors: 1 7 2857430145743 20002011020201