20020221110201 has 16 divisors (see below), whose sum is σ = 21885387511680. Its totient is φ = 18203083662720.

The previous prime is 20020221110189. The next prime is 20020221110237. The reversal of 20020221110201 is 10201112202002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20020221110201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20020221110401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32592215 + ... + 33200796.

It is an arithmetic number, because the mean of its divisors is an integer number (1367836719480).

Almost surely, 2^{20020221110201} is an apocalyptic number.

It is an amenable number.

20020221110201 is a deficient number, since it is larger than the sum of its proper divisors (1865166401479).

20020221110201 is a wasteful number, since it uses less digits than its factorization.

20020221110201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65793376.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20020221110201 its reverse (10201112202002), we get a palindrome (30221333312203).

The spelling of 20020221110201 in words is "twenty trillion, twenty billion, two hundred twenty-one million, one hundred ten thousand, two hundred one".