20001311303 has 8 divisors (see below), whose sum is σ = 20106947520. Its totient is φ = 19895716960.

The previous prime is 20001311293. The next prime is 20001311353. The reversal of 20001311303 is 30311310002.

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 20001311303 - 2³² = 15706344007 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 (20001311353) 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, 1553633 + ... + 1566453.

It is an arithmetic number, because the mean of its divisors is an integer number (2513368440).

Almost surely, 2^20001311303 is an apocalyptic number.

20001311303 is a deficient number, since it is larger than the sum of its proper divisors (105636217).

20001311303 is a wasteful number, since it uses less digits than its factorization.

20001311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 20001311303 its reverse (30311310002), we get a palindrome (50312621305).

The spelling of 20001311303 in words is "twenty billion, one million, three hundred eleven thousand, three hundred three".