103403220 has 48 divisors (see below), whose sum is σ = 289977408. Its totient is φ = 27531520.

The previous prime is 103403207. The next prime is 103403221. The reversal of 103403220 is 22304301.

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 103403220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103403221) 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, 65035 + ... + 66605.

It is an arithmetic number, because the mean of its divisors is an integer number (6041196).

Almost surely, 2^103403220 is an apocalyptic number.

103403220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103403220 is an abundant number, since it is smaller than the sum of its proper divisors (186574188).

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

103403220 is a wasteful number, since it uses less digits than its factorization.

103403220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 103403220 is about 10168.7373847494. The cubic root of 103403220 is about 469.3657054028.

Adding to 103403220 its reverse (22304301), we get a palindrome (125707521).

The spelling of 103403220 in words is "one hundred three million, four hundred three thousand, two hundred twenty".