20002012220101 has 4 divisors (see below), whose sum is σ = 20015409416652. Its totient is φ = 19988615023552.

The previous prime is 20002012220017. The next prime is 20002012220117. The reversal of 20002012220101 is 10102221020002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18990682308900 + 1011329911201 = 4357830^2 + 1005649^2 .

It is a cyclic number.

It is not a de Polignac number, because 20002012220101 - 2⁹ = 20002012219589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002012220131) 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 3 ways as a sum of consecutive naturals, for example, 6698596036 + ... + 6698599021.

It is an arithmetic number, because the mean of its divisors is an integer number (5003852354163).

Almost surely, 2^{20002012220101} is an apocalyptic number.

It is an amenable number.

20002012220101 is a deficient number, since it is larger than the sum of its proper divisors (13397196551).

20002012220101 is a wasteful number, since it uses less digits than its factorization.

20002012220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13397196550.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20002012220101 its reverse (10102221020002), we get a palindrome (30104233240103).

The spelling of 20002012220101 in words is "twenty trillion, two billion, twelve million, two hundred twenty thousand, one hundred one".