20020221202011 has 8 divisors (see below), whose sum is σ = 27059294410320. Its totient is φ = 13163981064192.

The previous prime is 20020221201973. The next prime is 20020221202013. The reversal of 20020221202011 is 11020212202002.

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

It is not a de Polignac number, because 20020221202011 - 2⁶ = 20020221201947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20020221202013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45708267366 + ... + 45708267803.

It is an arithmetic number, because the mean of its divisors is an integer number (3382411801290).

Almost surely, 2^{20020221202011} is an apocalyptic number.

20020221202011 is a deficient number, since it is larger than the sum of its proper divisors (7039073208309).

20020221202011 is an equidigital number, since it uses as much as digits as its factorization.

20020221202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91416535245.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20020221202011 its reverse (11020212202002), we get a palindrome (31040433404013).

Subtracting from 20020221202011 its reverse (11020212202002), we obtain a palindrome (9000009000009).

The spelling of 20020221202011 in words is "twenty trillion, twenty billion, two hundred twenty-one million, two hundred two thousand, eleven".