20020011120221 has 4 divisors (see below), whose sum is σ = 22880012708832. Its totient is φ = 17160009531612.

The previous prime is 20020011120217. The next prime is 20020011120227. The reversal of 20020011120221 is 12202111002002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20020011120221 - 2² = 20020011120217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020011120196 and 20020011120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020011120227) 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 3 ways as a sum of consecutive naturals, for example, 1430000794295 + ... + 1430000794308.

It is an arithmetic number, because the mean of its divisors is an integer number (5720003177208).

Almost surely, 2^{20020011120221} is an apocalyptic number.

It is an amenable number.

20020011120221 is a deficient number, since it is larger than the sum of its proper divisors (2860001588611).

20020011120221 is an equidigital number, since it uses as much as digits as its factorization.

20020011120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860001588610.

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

Adding to 20020011120221 its reverse (12202111002002), we get a palindrome (32222122122223).

The spelling of 20020011120221 in words is "twenty trillion, twenty billion, eleven million, one hundred twenty thousand, two hundred twenty-one".