220321113010020 has 144 divisors (see below), whose sum is σ = 731127927583872. Its totient is φ = 53259872286720.

The previous prime is 220321113009997. The next prime is 220321113010057. The reversal of 220321113010020 is 20010311123022.

220321113010020 is a `hidden beast` number, since 2 + 20 + 321 + 1 + 1 + 301 + 0 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220321113009975 and 220321113010002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156911952 + ... + 158309831.

It is an arithmetic number, because the mean of its divisors is an integer number (5077277274888).

Almost surely, 2^{220321113010020} is an apocalyptic number.

220321113010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220321113010020 is an abundant number, since it is smaller than the sum of its proper divisors (510806814573852).

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

220321113010020 is a wasteful number, since it uses less digits than its factorization.

220321113010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315222162 (or 315222157 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 220321113010020 its reverse (20010311123022), we get a palindrome (240331424133042).

The spelling of 220321113010020 in words is "two hundred twenty trillion, three hundred twenty-one billion, one hundred thirteen million, ten thousand, twenty".