20000311001 has 4 divisors (see below), whose sum is σ = 21818521104. Its totient is φ = 18182100900.

The previous prime is 20000310959. The next prime is 20000311003. The reversal of 20000311001 is 10011300002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20000311001 - 2³⁰ = 18926569177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20000311001.

It is not an unprimeable number, because it can be changed into a prime (20000311003) 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, 909105035 + ... + 909105056.

It is an arithmetic number, because the mean of its divisors is an integer number (5454630276).

Almost surely, 2^20000311001 is an apocalyptic number.

It is an amenable number.

20000311001 is a deficient number, since it is larger than the sum of its proper divisors (1818210103).

20000311001 is a wasteful number, since it uses less digits than its factorization.

20000311001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818210102.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 20000311001 its reverse (10011300002), we get a palindrome (30011611003).

The spelling of 20000311001 in words is "twenty billion, three hundred eleven thousand, one".