104031220 has 24 divisors (see below), whose sum is σ = 219693600. Its totient is φ = 41378592.

The previous prime is 104031199. The next prime is 104031223. The reversal of 104031220 is 22130401.

It is a self number, because there is not a number n which added to its sum of digits gives 104031220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104031223) 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, 10950 + ... + 18109.

It is an arithmetic number, because the mean of its divisors is an integer number (9153900).

Almost surely, 2^104031220 is an apocalyptic number.

104031220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104031220 is an abundant number, since it is smaller than the sum of its proper divisors (115662380).

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

104031220 is a wasteful number, since it uses less digits than its factorization.

104031220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29247 (or 29245 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 104031220 is about 10199.5695987625. The cubic root of 104031220 is about 470.3139896753.

Adding to 104031220 its reverse (22130401), we get a palindrome (126161621).

The spelling of 104031220 in words is "one hundred four million, thirty-one thousand, two hundred twenty".