2403530120 has 32 divisors (see below), whose sum is σ = 5410437120. Its totient is φ = 960968640.

The previous prime is 2403530089. The next prime is 2403530123. The reversal of 2403530120 is 210353042.

It is a happy number.

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 = 2403530092 and 2403530101.

It is not an unprimeable number, because it can be changed into a prime (2403530123) 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, 82169 + ... + 107511.

It is an arithmetic number, because the mean of its divisors is an integer number (169076160).

Almost surely, 2^2403530120 is an apocalyptic number.

2403530120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2403530120 is an abundant number, since it is smaller than the sum of its proper divisors (3006907000).

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

2403530120 is a wasteful number, since it uses less digits than its factorization.

2403530120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27725 (or 27721 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2403530120 is about 49025.8107531125. The cubic root of 2403530120 is about 1339.5220170916.

Adding to 2403530120 its reverse (210353042), we get a palindrome (2613883162).

The spelling of 2403530120 in words is "two billion, four hundred three million, five hundred thirty thousand, one hundred twenty".