2020220100221 has 16 divisors (see below), whose sum is σ = 2082093164928. Its totient is φ = 1958983353600.

The previous prime is 2020220100179. The next prime is 2020220100251. The reversal of 2020220100221 is 1220010220202.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020220100221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2020220100196 and 2020220100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020220100251) 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, 4226216 + ... + 4679886.

It is an arithmetic number, because the mean of its divisors is an integer number (130130822808).

Almost surely, 2^{2020220100221} is an apocalyptic number.

It is an amenable number.

2020220100221 is a deficient number, since it is larger than the sum of its proper divisors (61873064707).

2020220100221 is a wasteful number, since it uses less digits than its factorization.

2020220100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454372.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2020220100221 its reverse (1220010220202), we get a palindrome (3240230320423).

The spelling of 2020220100221 in words is "two trillion, twenty billion, two hundred twenty million, one hundred thousand, two hundred twenty-one".