20201000010001 has 16 divisors (see below), whose sum is σ = 20693640711744. Its totient is φ = 19709409996864.

The previous prime is 20201000009933. The next prime is 20201000010011. The reversal of 20201000010001 is 10001000010202.

It is a cyclic number.

It is not a de Polignac number, because 20201000010001 - 2¹⁹ = 20200999485713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20201000010011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144442830 + ... + 144582616.

It is an arithmetic number, because the mean of its divisors is an integer number (1293352544484).

Almost surely, 2^{20201000010001} is an apocalyptic number.

It is an amenable number.

20201000010001 is a deficient number, since it is larger than the sum of its proper divisors (492640701743).

20201000010001 is a wasteful number, since it uses less digits than its factorization.

20201000010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143520.

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

Adding to 20201000010001 its reverse (10001000010202), we get a palindrome (30202000020203).

The spelling of 20201000010001 in words is "twenty trillion, two hundred one billion, ten thousand, one".