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20321202011 = 112721167891
BaseRepresentation
bin10010111011001111…
…001110111101011011
31221110012221000120112
4102323033032331123
5313104211431021
613200241514535
71316402236625
oct227317167533
957405830515
1020321202011
118688874930
123b31642a4b
131bbb0b9cb6
14daac17c15
157de066d5b
hex4bb3cef5b

20321202011 has 8 divisors (see below), whose sum is σ = 22169725248. Its totient is φ = 18472869000.

The previous prime is 20321202001. The next prime is 20321202019. The reversal of 20321202011 is 11020212302.

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 20321202011 - 210 = 20321200987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20321202019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265376 + ... + 333266.

It is an arithmetic number, because the mean of its divisors is an integer number (2771215656).

Almost surely, 220321202011 is an apocalyptic number.

20321202011 is a deficient number, since it is larger than the sum of its proper divisors (1848523237).

20321202011 is a wasteful number, since it uses less digits than its factorization.

20321202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95113.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20321202011 its reverse (11020212302), we get a palindrome (31341414313).

The spelling of 20321202011 in words is "twenty billion, three hundred twenty-one million, two hundred two thousand, eleven".

Divisors: 1 11 27211 67891 299321 746801 1847382001 20321202011