104220180 has 72 divisors (see below), whose sum is σ = 317090592. Its totient is φ = 27708096.

The previous prime is 104220173. The next prime is 104220223. The reversal of 104220180 is 81022401.

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

It is a congruent number.

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, 79087 + ... + 80393.

It is an arithmetic number, because the mean of its divisors is an integer number (4404036).

Almost surely, 2^104220180 is an apocalyptic number.

104220180 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 104220180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158545296).

104220180 is an abundant number, since it is smaller than the sum of its proper divisors (212870412).

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

104220180 is a wasteful number, since it uses less digits than its factorization.

104220180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 104220180 is about 10208.8285322068. The cubic root of 104220180 is about 470.5985734065.

Adding to 104220180 its reverse (81022401), we get a palindrome (185242581).

The spelling of 104220180 in words is "one hundred four million, two hundred twenty thousand, one hundred eighty".