20202220101 has 16 divisors (see below), whose sum is σ = 30803614848. Its totient is φ = 11536896000.

The previous prime is 20202220099. The next prime is 20202220111. The reversal of 20202220101 is 10102220202.

It is not a de Polignac number, because 20202220101 - 2¹ = 20202220099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202220111) 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, 266820 + ... + 334061.

It is an arithmetic number, because the mean of its divisors is an integer number (1925225928).

Almost surely, 2^20202220101 is an apocalyptic number.

20202220101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20202220101 is a deficient number, since it is larger than the sum of its proper divisors (10601394747).

20202220101 is a wasteful number, since it uses less digits than its factorization.

20202220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602492.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20202220101 its reverse (10102220202), we get a palindrome (30304440303).

The spelling of 20202220101 in words is "twenty billion, two hundred two million, two hundred twenty thousand, one hundred one".