220134111230020 has 48 divisors (see below), whose sum is σ = 497842868542320. Its totient is φ = 81280106113536.

The previous prime is 220134111229979. The next prime is 220134111230021. The reversal of 220134111230020 is 20032111431022.

It can be written as a sum of positive squares in 8 ways, for example, as 117965317881856 + 102168793348164 = 10861184^2 + 10107858^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220134111229973 and 220134111230000.

It is not an unprimeable number, because it can be changed into a prime (220134111230021) 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, 190694326 + ... + 191845234.

It is an arithmetic number, because the mean of its divisors is an integer number (10371726427965).

Almost surely, 2^{220134111230020} is an apocalyptic number.

220134111230020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220134111230020 is an abundant number, since it is smaller than the sum of its proper divisors (277708757312300).

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

220134111230020 is a wasteful number, since it uses less digits than its factorization.

220134111230020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886584 (or 1886582 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 220134111230020 its reverse (20032111431022), we get a palindrome (240166222661042).

The spelling of 220134111230020 in words is "two hundred twenty trillion, one hundred thirty-four billion, one hundred eleven million, two hundred thirty thousand, twenty".