11385020 has 12 divisors (see below), whose sum is σ = 23908584. Its totient is φ = 4554000.

The previous prime is 11385001. The next prime is 11385041. The reversal of 11385020 is 2058311.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 569251 = 11385020 / (1 + 1 + 3 + 8 + 5 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 11384983 and 11385001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284606 + ... + 284645.

It is an arithmetic number, because the mean of its divisors is an integer number (1992382).

Almost surely, 2^11385020 is an apocalyptic number.

11385020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11385020 is an abundant number, since it is smaller than the sum of its proper divisors (12523564).

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

11385020 is a wasteful number, since it uses less digits than its factorization.

11385020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569260 (or 569258 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 11385020 is about 3374.1695274541. The cubic root of 11385020 is about 224.9630885952.

The spelling of 11385020 in words is "eleven million, three hundred eighty-five thousand, twenty".