104342220 has 72 divisors (see below), whose sum is σ = 325079664. Its totient is φ = 27070848.

The previous prime is 104342207. The next prime is 104342263. The reversal of 104342220 is 22243401.

104342220 is a `hidden beast` number, since 10 + 434 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 104342193 and 104342202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1174 + ... + 14493.

Almost surely, 2^104342220 is an apocalyptic number.

104342220 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 104342220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162539832).

104342220 is an abundant number, since it is smaller than the sum of its proper divisors (220737444).

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

104342220 is a wasteful number, since it uses less digits than its factorization.

104342220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719 (or 15714 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104342220 is about 10214.8039628766. The cubic root of 104342220 is about 470.7821893090.

Adding to 104342220 its reverse (22243401), we get a palindrome (126585621).

The spelling of 104342220 in words is "one hundred four million, three hundred forty-two thousand, two hundred twenty".