20110020001 has 8 divisors (see below), whose sum is σ = 21301335720. Its totient is φ = 18919634688.

The previous prime is 20110019981. The next prime is 20110020037. The reversal of 20110020001 is 10002001102.

It can be written as a sum of positive squares in 4 ways, for example, as 900060001 + 19209960000 = 30001^2 + 138600^2 .

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 20110020001 - 2⁷ = 20110019873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20110020041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187846 + ... + 274783.

It is an arithmetic number, because the mean of its divisors is an integer number (2662666965).

Almost surely, 2^20110020001 is an apocalyptic number.

It is an amenable number.

20110020001 is a deficient number, since it is larger than the sum of its proper divisors (1191315719).

20110020001 is a wasteful number, since it uses less digits than its factorization.

20110020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465203.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20110020001 its reverse (10002001102), we get a palindrome (30112021103).

The spelling of 20110020001 in words is "twenty billion, one hundred ten million, twenty thousand, one".