20010010020201 has 24 divisors (see below), whose sum is σ = 30707993763720. Its totient is φ = 12512449522176.

The previous prime is 20010010020197. The next prime is 20010010020233. The reversal of 20010010020201 is 10202001001002.

It can be written as a sum of positive squares in 4 ways, for example, as 3873118464576 + 16136891555625 = 1968024^2 + 4017075^2 .

It is not a de Polignac number, because 20010010020201 - 2² = 20010010020197 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 (20010010020251) 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 23 ways as a sum of consecutive naturals, for example, 223136706 + ... + 223226363.

It is an arithmetic number, because the mean of its divisors is an integer number (1279499740155).

Almost surely, 2^{20010010020201} is an apocalyptic number.

It is an amenable number.

20010010020201 is a deficient number, since it is larger than the sum of its proper divisors (10697983743519).

20010010020201 is a wasteful number, since it uses less digits than its factorization.

20010010020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446363385 (or 446363382 counting only the distinct ones).

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

Adding to 20010010020201 its reverse (10202001001002), we get a palindrome (30212011021203).

The spelling of 20010010020201 in words is "twenty trillion, ten billion, ten million, twenty thousand, two hundred one".