20303440001 has 8 divisors (see below), whose sum is σ = 21871161984. Its totient is φ = 18736563600.

The previous prime is 20303439967. The next prime is 20303440037. The reversal of 20303440001 is 10004430302.

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 20303440001 - 2³⁰ = 19229698177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20303440061) 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, 161075 + ... + 257976.

It is an arithmetic number, because the mean of its divisors is an integer number (2733895248).

Almost surely, 2^20303440001 is an apocalyptic number.

It is an amenable number.

20303440001 is a deficient number, since it is larger than the sum of its proper divisors (1567721983).

20303440001 is a wasteful number, since it uses less digits than its factorization.

20303440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422791.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20303440001 its reverse (10004430302), we get a palindrome (30307870303).

The spelling of 20303440001 in words is "twenty billion, three hundred three million, four hundred forty thousand, one".