220202202021 has 8 divisors (see below), whose sum is σ = 294686342784. Its totient is φ = 146259764640.

The previous prime is 220202202013. The next prime is 220202202047. The reversal of 220202202021 is 120202202022.

220202202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220202202021 - 2³ = 220202202013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220202202061) 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, 135424896 + ... + 135426521.

It is an arithmetic number, because the mean of its divisors is an integer number (36835792848).

Almost surely, 2^220202202021 is an apocalyptic number.

It is an amenable number.

220202202021 is a deficient number, since it is larger than the sum of its proper divisors (74484140763).

220202202021 is a wasteful number, since it uses less digits than its factorization.

220202202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270851691.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220202202021 its reverse (120202202022), we get a palindrome (340404404043).

Subtracting from 220202202021 its reverse (120202202022), we obtain a palindrome (99999999999).

The spelling of 220202202021 in words is "two hundred twenty billion, two hundred two million, two hundred two thousand, twenty-one".