20002012221001 has 8 divisors (see below), whose sum is σ = 20470908379680. Its totient is φ = 19533285748032.

The previous prime is 20002012220989. The next prime is 20002012221031. The reversal of 20002012221001 is 10012221020002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20002012221001 - 2²⁹ = 20001475350089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002012221031) 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 7 ways as a sum of consecutive naturals, for example, 42182896 + ... + 42654433.

It is an arithmetic number, because the mean of its divisors is an integer number (2558863547460).

Almost surely, 2^{20002012221001} is an apocalyptic number.

It is an amenable number.

20002012221001 is a deficient number, since it is larger than the sum of its proper divisors (468896158679).

20002012221001 is an equidigital number, since it uses as much as digits as its factorization.

20002012221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84842855.

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

Adding to 20002012221001 its reverse (10012221020002), we get a palindrome (30014233241003).

The spelling of 20002012221001 in words is "twenty trillion, two billion, twelve million, two hundred twenty-one thousand, one".