2320404320 has 48 divisors (see below), whose sum is σ = 5903649360. Its totient is φ = 856763904.

The previous prime is 2320404293. The next prime is 2320404329. The reversal of 2320404320 is 234040232.

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 = 2320404292 and 2320404301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320404329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555710 + ... + 559869.

It is an arithmetic number, because the mean of its divisors is an integer number (122992695).

Almost surely, 2^2320404320 is an apocalyptic number.

2320404320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320404320 is an abundant number, since it is smaller than the sum of its proper divisors (3583245040).

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

2320404320 is a wasteful number, since it uses less digits than its factorization.

2320404320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115607 (or 1115599 counting only the distinct ones).

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

The square root of 2320404320 is about 48170.5752508728. The cubic root of 2320404320 is about 1323.8980884979.

Adding to 2320404320 its reverse (234040232), we get a palindrome (2554444552).

The spelling of 2320404320 in words is "two billion, three hundred twenty million, four hundred four thousand, three hundred twenty".