220101010201020 has 48 divisors (see below), whose sum is σ = 663689199993120. Its totient is φ = 54178710203136.

The previous prime is 220101010200961. The next prime is 220101010201027. The reversal of 220101010201020 is 20102010101022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220101010200987 and 220101010201005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220101010201027) 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, 141090390375 + ... + 141090391934.

It is an arithmetic number, because the mean of its divisors is an integer number (13826858333190).

Almost surely, 2^{220101010201020} is an apocalyptic number.

220101010201020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220101010201020 is an abundant number, since it is smaller than the sum of its proper divisors (443588189792100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220101010201020 is a wasteful number, since it uses less digits than its factorization.

220101010201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282180782334 (or 282180782332 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220101010201020 its reverse (20102010101022), we get a palindrome (240203020302042).

The spelling of 220101010201020 in words is "two hundred twenty trillion, one hundred one billion, ten million, two hundred one thousand, twenty".