1204420000 has 180 divisors, whose sum is σ = 3449622330. Its totient is φ = 412608000.

The previous prime is 1204419971. The next prime is 1204420003. The reversal of 1204420000 is 244021.

It can be written as a sum of positive squares in 5 ways, for example, as 222725776 + 981694224 = 14924^2 + 31332^2 .

It is not an unprimeable number, because it can be changed into a prime (1204420003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 979386 + ... + 980614.

Almost surely, 2^1204420000 is an apocalyptic number.

1204420000 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 1204420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724811165).

1204420000 is an abundant number, since it is smaller than the sum of its proper divisors (2245202330).

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

1204420000 is an equidigital number, since it uses as much as digits as its factorization.

1204420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 1204420000 is about 34704.7547174735. The cubic root of 1204420000 is about 1063.9616791369.

Adding to 1204420000 its reverse (244021), we get a palindrome (1204664021).

The spelling of 1204420000 in words is "one billion, two hundred four million, four hundred twenty thousand".