220323032120 has 128 divisors (see below), whose sum is σ = 534881880000. Its totient is φ = 81371553792.

The previous prime is 220323032099. The next prime is 220323032147. The reversal of 220323032120 is 21230323022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 220323032092 and 220323032101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20415686 + ... + 20426474.

Almost surely, 2^220323032120 is an apocalyptic number.

220323032120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220323032120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267440940000).

220323032120 is an abundant number, since it is smaller than the sum of its proper divisors (314558847880).

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

220323032120 is a wasteful number, since it uses less digits than its factorization.

220323032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385 (or 11381 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 220323032120 its reverse (21230323022), we get a palindrome (241553355142).

The spelling of 220323032120 in words is "two hundred twenty billion, three hundred twenty-three million, thirty-two thousand, one hundred twenty".