20373013450211 has 4 divisors (see below), whose sum is σ = 20392179033072. Its totient is φ = 20353847867352.

The previous prime is 20373013450187. The next prime is 20373013450271. The reversal of 20373013450211 is 11205431037302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20373013450211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20373013450271) 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, 9582789836 + ... + 9582791961.

It is an arithmetic number, because the mean of its divisors is an integer number (5098044758268).

Almost surely, 2^{20373013450211} is an apocalyptic number.

20373013450211 is a deficient number, since it is larger than the sum of its proper divisors (19165582861).

20373013450211 is a wasteful number, since it uses less digits than its factorization.

20373013450211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19165582860.

The product of its (nonzero) digits is 15120, while the sum is 32.

Adding to 20373013450211 its reverse (11205431037302), we get a palindrome (31578444487513).

The spelling of 20373013450211 in words is "twenty trillion, three hundred seventy-three billion, thirteen million, four hundred fifty thousand, two hundred eleven".