220020202101 has 64 divisors (see below), whose sum is σ = 340786188288. Its totient is φ = 123676720128.

The previous prime is 220020202079. The next prime is 220020202117. The reversal of 220020202101 is 101202020022.

It is not a de Polignac number, because 220020202101 - 2⁵ = 220020202069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020202201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 324992575 + ... + 324993251.

It is an arithmetic number, because the mean of its divisors is an integer number (5324784192).

Almost surely, 2^220020202101 is an apocalyptic number.

220020202101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

220020202101 is a deficient number, since it is larger than the sum of its proper divisors (120765986187).

220020202101 is a wasteful number, since it uses less digits than its factorization.

220020202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

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

Adding to 220020202101 its reverse (101202020022), we get a palindrome (321222222123).

The spelling of 220020202101 in words is "two hundred twenty billion, twenty million, two hundred two thousand, one hundred one".