11415020 has 24 divisors (see below), whose sum is σ = 24213168. Its totient is φ = 4520000.

The previous prime is 11415011. The next prime is 11415023. The reversal of 11415020 is 2051411.

It is a junction number, because it is equal to n+sod(n) for n = 11414986 and 11415004.

It is not an unprimeable number, because it can be changed into a prime (11415023) 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, 806 + ... + 4845.

It is an arithmetic number, because the mean of its divisors is an integer number (1008882).

Almost surely, 2^11415020 is an apocalyptic number.

11415020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11415020 is an abundant number, since it is smaller than the sum of its proper divisors (12798148).

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

11415020 is a wasteful number, since it uses less digits than its factorization.

11415020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5761 (or 5759 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11415020 is about 3378.6121411017. The cubic root of 11415020 is about 225.1605109815.

Adding to 11415020 its reverse (2051411), we get a palindrome (13466431).

The spelling of 11415020 in words is "eleven million, four hundred fifteen thousand, twenty".