10000020001 has 4 divisors (see below), whose sum is σ = 10212786432. Its totient is φ = 9787253572.

The previous prime is 10000019989. The next prime is 10000020029. The reversal of 10000020001 is 10002000001.

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 10000020001 - 2⁵ = 10000019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106383145 + ... + 106383238.

It is an arithmetic number, because the mean of its divisors is an integer number (2553196608).

Almost surely, 2^10000020001 is an apocalyptic number.

It is an amenable number.

10000020001 is a deficient number, since it is larger than the sum of its proper divisors (212766431).

10000020001 is an equidigital number, since it uses as much as digits as its factorization.

10000020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212766430.

The product of its (nonzero) digits is 2, while the sum is 4.

Adding to 10000020001 its reverse (10002000001), we get a palindrome (20002020002).

The spelling of 10000020001 in words is "ten billion, twenty thousand, one".