103455220 has 24 divisors (see below), whose sum is σ = 237007008. Its totient is φ = 37620000.

The previous prime is 103455167. The next prime is 103455221. The reversal of 103455220 is 22554301.

103455220 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

103455220 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 103455191 and 103455200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103455221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234906 + ... + 235345.

It is an arithmetic number, because the mean of its divisors is an integer number (9875292).

Almost surely, 2^103455220 is an apocalyptic number.

103455220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103455220 is an abundant number, since it is smaller than the sum of its proper divisors (133551788).

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

103455220 is a wasteful number, since it uses less digits than its factorization.

103455220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470271 (or 470269 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 103455220 is about 10171.2939196545. The cubic root of 103455220 is about 469.4443713170. Note that the first 3 decimals are identical.

The spelling of 103455220 in words is "one hundred three million, four hundred fifty-five thousand, two hundred twenty".