2220000032320 has 56 divisors (see below), whose sum is σ = 6041571522624. Its totient is φ = 761142867456.

The previous prime is 2220000032311. The next prime is 2220000032321. The reversal of 2220000032320 is 232300000222.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2220000032294 and 2220000032303.

It is not an unprimeable number, because it can be changed into a prime (2220000032321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495533482 + ... + 495537961.

Almost surely, 2^{2220000032320} is an apocalyptic number.

2220000032320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220000032320 is an abundant number, since it is smaller than the sum of its proper divisors (3821571490304).

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

2220000032320 is an equidigital number, since it uses as much as digits as its factorization.

2220000032320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991071467 (or 991071457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 2220000032320 its reverse (232300000222), we get a palindrome (2452300032542).

The spelling of 2220000032320 in words is "two trillion, two hundred twenty billion, thirty-two thousand, three hundred twenty".