2205071320 has 32 divisors (see below), whose sum is σ = 4987134720. Its totient is φ = 877455360.

The previous prime is 2205071311. The next prime is 2205071339. The reversal of 2205071320 is 231705022.

It is a junction number, because it is equal to n+sod(n) for n = 2205071291 and 2205071300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135096 + ... + 150535.

It is an arithmetic number, because the mean of its divisors is an integer number (155847960).

Almost surely, 2^2205071320 is an apocalyptic number.

2205071320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2205071320 is an abundant number, since it is smaller than the sum of its proper divisors (2782063400).

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

2205071320 is a wasteful number, since it uses less digits than its factorization.

2205071320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285835 (or 285831 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2205071320 is about 46958.1869326319. The cubic root of 2205071320 is about 1301.5900307709.

Adding to 2205071320 its reverse (231705022), we get a palindrome (2436776342).

The spelling of 2205071320 in words is "two billion, two hundred five million, seventy-one thousand, three hundred twenty".