103013220 has 96 divisors (see below), whose sum is σ = 302843520. Its totient is φ = 26127360.

The previous prime is 103013219. The next prime is 103013243. The reversal of 103013220 is 22310301.

It is a happy number.

It is a super-2 number, since 2×103013220² = 21223446989536800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103013196 and 103013205.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126615 + ... + 127425.

It is an arithmetic number, because the mean of its divisors is an integer number (3154620).

Almost surely, 2^103013220 is an apocalyptic number.

103013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103013220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151421760).

103013220 is an abundant number, since it is smaller than the sum of its proper divisors (199830300).

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

103013220 is a wasteful number, since it uses less digits than its factorization.

103013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103013220 is about 10149.5428468478. The cubic root of 103013220 is about 468.7748687251.

Adding to 103013220 its reverse (22310301), we get a palindrome (125323521).

The spelling of 103013220 in words is "one hundred three million, thirteen thousand, two hundred twenty".