20353244041011 has 32 divisors (see below), whose sum is σ = 32473376087040. Its totient is φ = 11086785984384.

The previous prime is 20353244040989. The next prime is 20353244041021. The reversal of 20353244041011 is 11014044235302.

It is not a de Polignac number, because 20353244041011 - 2⁵ = 20353244040979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20353244041011.

It is not an unprimeable number, because it can be changed into a prime (20353244041021) 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 31 ways as a sum of consecutive naturals, for example, 71768416 + ... + 72051453.

It is an arithmetic number, because the mean of its divisors is an integer number (1014793002720).

Almost surely, 2^{20353244041011} is an apocalyptic number.

20353244041011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20353244041011 is a deficient number, since it is larger than the sum of its proper divisors (12120132046029).

20353244041011 is a wasteful number, since it uses less digits than its factorization.

20353244041011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143820195.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 20353244041011 its reverse (11014044235302), we get a palindrome (31367288276313).

The spelling of 20353244041011 in words is "twenty trillion, three hundred fifty-three billion, two hundred forty-four million, forty-one thousand, eleven".