103132220 has 48 divisors (see below), whose sum is σ = 223449408. Its totient is φ = 39959040.

The previous prime is 103132199. The next prime is 103132259. The reversal of 103132220 is 22231301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103132195 and 103132204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141497 + ... + 142223.

It is an arithmetic number, because the mean of its divisors is an integer number (4655196).

Almost surely, 2^103132220 is an apocalyptic number.

103132220 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 103132220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111724704).

103132220 is an abundant number, since it is smaller than the sum of its proper divisors (120317188).

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

103132220 is a wasteful number, since it uses less digits than its factorization.

103132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950 (or 948 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103132220 is about 10155.4034877990. The cubic root of 103132220 is about 468.9553075162.

Adding to 103132220 its reverse (22231301), we get a palindrome (125363521).

The spelling of 103132220 in words is "one hundred three million, one hundred thirty-two thousand, two hundred twenty".