20200100100001 has 32 divisors (see below), whose sum is σ = 21741817927680. Its totient is φ = 18700308000000.

The previous prime is 20200100099999. The next prime is 20200100100007. The reversal of 20200100100001 is 10000100100202.

It is a cyclic number.

It is not a de Polignac number, because 20200100100001 - 2¹ = 20200100099999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200100100007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 598486876 + ... + 598520626.

It is an arithmetic number, because the mean of its divisors is an integer number (679431810240).

Almost surely, 2^{20200100100001} is an apocalyptic number.

It is an amenable number.

20200100100001 is a deficient number, since it is larger than the sum of its proper divisors (1541717827679).

20200100100001 is a wasteful number, since it uses less digits than its factorization.

20200100100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36205.

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

Adding to 20200100100001 its reverse (10000100100202), we get a palindrome (30200200200203).

The spelling of 20200100100001 in words is "twenty trillion, two hundred billion, one hundred million, one hundred thousand, one".