20011440311303 has 48 divisors (see below), whose sum is σ = 24644290176000. Its totient is φ = 16174121842368.

The previous prime is 20011440311299. The next prime is 20011440311321. The reversal of 20011440311303 is 30311304411002.

It is not a de Polignac number, because 20011440311303 - 2² = 20011440311299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011440311323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 747826238 + ... + 747852996.

It is an arithmetic number, because the mean of its divisors is an integer number (513422712000).

Almost surely, 2^{20011440311303} is an apocalyptic number.

20011440311303 is a deficient number, since it is larger than the sum of its proper divisors (4632849864697).

20011440311303 is a wasteful number, since it uses less digits than its factorization.

20011440311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39084 (or 39077 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20011440311303 its reverse (30311304411002), we get a palindrome (50322744722305).

The spelling of 20011440311303 in words is "twenty trillion, eleven billion, four hundred forty million, three hundred eleven thousand, three hundred three".