10415220 has 48 divisors (see below), whose sum is σ = 30881088. Its totient is φ = 2613760.

The previous prime is 10415219. The next prime is 10415227. The reversal of 10415220 is 2251401.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10415220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10415227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4086 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (643356).

Almost surely, 2^10415220 is an apocalyptic number.

10415220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10415220 is an abundant number, since it is smaller than the sum of its proper divisors (20465868).

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

10415220 is a wasteful number, since it uses less digits than its factorization.

10415220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10240 (or 10238 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 10415220 is about 3227.2619974213. The cubic root of 10415220 is about 218.3850054781.

Adding to 10415220 its reverse (2251401), we get a palindrome (12666621).

The spelling of 10415220 in words is "ten million, four hundred fifteen thousand, two hundred twenty".