2223320420 has 24 divisors (see below), whose sum is σ = 4705741824. Its totient is φ = 882324576.

The previous prime is 2223320389. The next prime is 2223320441. The reversal of 2223320420 is 240233222.

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 = 2223320392 and 2223320401.

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, 435122 + ... + 440201.

It is an arithmetic number, because the mean of its divisors is an integer number (196072576).

Almost surely, 2^2223320420 is an apocalyptic number.

2223320420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223320420 is an abundant number, since it is smaller than the sum of its proper divisors (2482421404).

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

2223320420 is a wasteful number, since it uses less digits than its factorization.

2223320420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875459 (or 875457 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 2223320420 is about 47152.0987867985. The cubic root of 2223320420 is about 1305.1708099354.

Adding to 2223320420 its reverse (240233222), we get a palindrome (2463553642).

The spelling of 2223320420 in words is "two billion, two hundred twenty-three million, three hundred twenty thousand, four hundred twenty".