20000101020201 has 18 divisors (see below), whose sum is σ = 29919559246590. Its totient is φ = 12873628238016.

The previous prime is 20000101020199. The next prime is 20000101020227. The reversal of 20000101020201 is 10202010100002.

It can be written as a sum of positive squares in 3 ways, for example, as 1062146666025 + 18937954354176 = 1030605^2 + 4351776^2 .

It is not a de Polignac number, because 20000101020201 - 2¹ = 20000101020199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20000101020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1321177596 + ... + 1321192733.

Almost surely, 2^{20000101020201} is an apocalyptic number.

It is an amenable number.

20000101020201 is a deficient number, since it is larger than the sum of its proper divisors (9919458226389).

20000101020201 is a wasteful number, since it uses less digits than its factorization.

20000101020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642370393 (or 2642370361 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20000101020201 its reverse (10202010100002), we get a palindrome (30202111120203).

The spelling of 20000101020201 in words is "twenty trillion, one hundred one million, twenty thousand, two hundred one".