103178220 has 48 divisors (see below), whose sum is σ = 291126528. Its totient is φ = 27302080.

The previous prime is 103178203. The next prime is 103178233. The reversal of 103178220 is 22871301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297 + ... + 14423.

It is an arithmetic number, because the mean of its divisors is an integer number (6065136).

Almost surely, 2^103178220 is an apocalyptic number.

103178220 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 103178220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145563264).

103178220 is an abundant number, since it is smaller than the sum of its proper divisors (187948308).

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

103178220 is a wasteful number, since it uses less digits than its factorization.

103178220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13270 (or 13268 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 103178220 is about 10157.6680394665. The cubic root of 103178220 is about 469.0250197675.

The spelling of 103178220 in words is "one hundred three million, one hundred seventy-eight thousand, two hundred twenty".