11430020 has 48 divisors (see below), whose sum is σ = 28882560. Its totient is φ = 3711744.

The previous prime is 11430019. The next prime is 11430037. The reversal of 11430020 is 2003411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11429983 and 11430010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512 + ... + 4808.

It is an arithmetic number, because the mean of its divisors is an integer number (601720).

Almost surely, 2^11430020 is an apocalyptic number.

11430020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11430020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14441280).

11430020 is an abundant number, since it is smaller than the sum of its proper divisors (17452540).

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

11430020 is a wasteful number, since it uses less digits than its factorization.

11430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332 (or 4330 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 11430020 is about 3380.8312587291. The cubic root of 11430020 is about 225.2590924813.

Adding to 11430020 its reverse (2003411), we get a palindrome (13433431).

The spelling of 11430020 in words is "eleven million, four hundred thirty thousand, twenty".