220131330100 has 72 divisors (see below), whose sum is σ = 527389557408. Its totient is φ = 79083292800.

The previous prime is 220131330091. The next prime is 220131330113. The reversal of 220131330100 is 1033131022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1114239 + ... + 1296838.

It is an arithmetic number, because the mean of its divisors is an integer number (7324854964).

Almost surely, 2^220131330100 is an apocalyptic number.

220131330100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220131330100 is an abundant number, since it is smaller than the sum of its proper divisors (307258227308).

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

220131330100 is a wasteful number, since it uses less digits than its factorization.

220131330100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411185 (or 2411178 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 220131330100 its reverse (1033131022), we get a palindrome (221164461122).

The spelling of 220131330100 in words is "two hundred twenty billion, one hundred thirty-one million, three hundred thirty thousand, one hundred".