20202200000221 has 16 divisors (see below), whose sum is σ = 20557840374720. Its totient is φ = 19847361502080.

The previous prime is 20202200000219. The next prime is 20202200000263. The reversal of 20202200000221 is 12200000220202.

It is a cyclic number.

It is not a de Polignac number, because 20202200000221 - 2¹ = 20202200000219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202200000201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193925670 + ... + 194029816.

It is an arithmetic number, because the mean of its divisors is an integer number (1284865023420).

Almost surely, 2^{20202200000221} is an apocalyptic number.

It is an amenable number.

20202200000221 is a deficient number, since it is larger than the sum of its proper divisors (355640374499).

20202200000221 is a wasteful number, since it uses less digits than its factorization.

20202200000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107964.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20202200000221 its reverse (12200000220202), we get a palindrome (32402200220423).

The spelling of 20202200000221 in words is "twenty trillion, two hundred two billion, two hundred million, two hundred twenty-one", and thus it is an aban number.