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20201012222011 = 41886355591517
BaseRepresentation
bin1001001011111011010100…
…01010000101100000111011
32122112012100021102101201021
410211331222022011200323
510121433133112101021
6110544114503403311
74153321625512315
oct445755212054073
978465307371637
1020201012222011
11648922383a655
122323112153537
13b36c4122c13a
144dba3c94c7b5
1525071c102c41
hex125f6a28583b

20201012222011 has 8 divisors (see below), whose sum is σ = 20696055053184. Its totient is φ = 19706080591680.

The previous prime is 20201012221993. The next prime is 20201012222033. The reversal of 20201012222011 is 11022221010202.

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 20201012222011 - 27 = 20201012221883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201012252011) 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, 27432376 + ... + 28159141.

It is an arithmetic number, because the mean of its divisors is an integer number (2587006881648).

Almost surely, 220201012222011 is an apocalyptic number.

20201012222011 is a deficient number, since it is larger than the sum of its proper divisors (495042831173).

20201012222011 is an equidigital number, since it uses as much as digits as its factorization.

20201012222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55600421.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20201012222011 its reverse (11022221010202), we get a palindrome (31223233232213).

The spelling of 20201012222011 in words is "twenty trillion, two hundred one billion, twelve million, two hundred twenty-two thousand, eleven".

Divisors: 1 41 8863 363383 55591517 2279252197 492707615171 20201012222011