220352001320 has 64 divisors (see below), whose sum is σ = 545334085440. Its totient is φ = 80127981120.

The previous prime is 220352001313. The next prime is 220352001329. The reversal of 220352001320 is 23100253022.

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 = 220352001292 and 220352001301.

It is not an unprimeable number, because it can be changed into a prime (220352001329) 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, 2016182 + ... + 2122661.

It is an arithmetic number, because the mean of its divisors is an integer number (8520845085).

Almost surely, 2^220352001320 is an apocalyptic number.

220352001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220352001320 is an abundant number, since it is smaller than the sum of its proper divisors (324982084120).

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

220352001320 is a wasteful number, since it uses less digits than its factorization.

220352001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138887 (or 4138861 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 220352001320 its reverse (23100253022), we get a palindrome (243452254342).

The spelling of 220352001320 in words is "two hundred twenty billion, three hundred fifty-two million, one thousand, three hundred twenty".