20301311001 has 4 divisors (see below), whose sum is σ = 27068414672. Its totient is φ = 13534207332.

The previous prime is 20301310999. The next prime is 20301311029. The reversal of 20301311001 is 10011310302.

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 not a de Polignac number, because 20301311001 - 2¹ = 20301310999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20301311101) 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, 3383551831 + ... + 3383551836.

It is an arithmetic number, because the mean of its divisors is an integer number (6767103668).

Almost surely, 2^20301311001 is an apocalyptic number.

It is an amenable number.

20301311001 is a deficient number, since it is larger than the sum of its proper divisors (6767103671).

20301311001 is an equidigital number, since it uses as much as digits as its factorization.

20301311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6767103670.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 20301311001 its reverse (10011310302), we get a palindrome (30312621303).

The spelling of 20301311001 in words is "twenty billion, three hundred one million, three hundred eleven thousand, one".