2113220320 has 48 divisors (see below), whose sum is σ = 4998082320. Its totient is φ = 844340224.

The previous prime is 2113220303. The next prime is 2113220321. The reversal of 2113220320 is 230223112.

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 = 2113220294 and 2113220303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145551 + ... + 159409.

It is an arithmetic number, because the mean of its divisors is an integer number (104126715).

Almost surely, 2^2113220320 is an apocalyptic number.

2113220320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2113220320 is an abundant number, since it is smaller than the sum of its proper divisors (2884862000).

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

2113220320 is a wasteful number, since it uses less digits than its factorization.

2113220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14827 (or 14819 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2113220320 is about 45969.7761578192. The cubic root of 2113220320 is about 1283.2607941608.

Adding to 2113220320 its reverse (230223112), we get a palindrome (2343443432).

The spelling of 2113220320 in words is "two billion, one hundred thirteen million, two hundred twenty thousand, three hundred twenty".