11650020 has 24 divisors (see below), whose sum is σ = 32620224. Its totient is φ = 3106656.

The previous prime is 11650013. The next prime is 11650039. The reversal of 11650020 is 2005611.

11650020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 97024 + ... + 97143.

It is an arithmetic number, because the mean of its divisors is an integer number (1359176).

Almost surely, 2^11650020 is an apocalyptic number.

11650020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11650020 is an abundant number, since it is smaller than the sum of its proper divisors (20970204).

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

11650020 is a wasteful number, since it uses less digits than its factorization.

11650020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194179 (or 194177 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 11650020 is about 3413.2125629676. The cubic root of 11650020 is about 226.6951473248.

Adding to 11650020 its reverse (2005611), we get a palindrome (13655631).

The spelling of 11650020 in words is "eleven million, six hundred fifty thousand, twenty".