11529020 has 24 divisors (see below), whose sum is σ = 24315984. Its totient is φ = 4591616.

The previous prime is 11529019. The next prime is 11529041. The reversal of 11529020 is 2092511.

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 = 11528983 and 11529001.

It is a congruent number.

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, 4019 + ... + 6261.

It is an arithmetic number, because the mean of its divisors is an integer number (1013166).

Almost surely, 2^11529020 is an apocalyptic number.

11529020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11529020 is an abundant number, since it is smaller than the sum of its proper divisors (12786964).

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

11529020 is a wasteful number, since it uses less digits than its factorization.

11529020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 11529020 is about 3395.4410611878. The cubic root of 11529020 is about 225.9075770049.

The spelling of 11529020 in words is "eleven million, five hundred twenty-nine thousand, twenty".