1220004324 has 144 divisors (see below), whose sum is σ = 3898177920. Its totient is φ = 312491520.

The previous prime is 1220004319. The next prime is 1220004329. The reversal of 1220004324 is 4234000221.

1220004324 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1220004319) and next prime (1220004329).

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 = 1220004297 and 1220004306.

It is not an unprimeable number, because it can be changed into a prime (1220004329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 199342 + ... + 205370.

It is an arithmetic number, because the mean of its divisors is an integer number (27070680).

Almost surely, 2^1220004324 is an apocalyptic number.

1220004324 is a gapful number since it is divisible by the number (14) 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 1220004324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1949088960).

1220004324 is an abundant number, since it is smaller than the sum of its proper divisors (2678173596).

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

1220004324 is a wasteful number, since it uses less digits than its factorization.

1220004324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6130 (or 6125 counting only the distinct ones).

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

The square root of 1220004324 is about 34928.5602909711. The cubic root of 1220004324 is about 1068.5309925306.

Adding to 1220004324 its reverse (4234000221), we get a palindrome (5454004545).

The spelling of 1220004324 in words is "one billion, two hundred twenty million, four thousand, three hundred twenty-four".