1204034420 has 48 divisors (see below), whose sum is σ = 2619703296. Its totient is φ = 464352000.

The previous prime is 1204034411. The next prime is 1204034423. The reversal of 1204034420 is 244304021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1204034392 and 1204034401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204034423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170765 + ... + 177675.

It is an arithmetic number, because the mean of its divisors is an integer number (54577152).

Almost surely, 2^1204034420 is an apocalyptic number.

1204034420 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 1204034420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309851648).

1204034420 is an abundant number, since it is smaller than the sum of its proper divisors (1415668876).

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

1204034420 is a wasteful number, since it uses less digits than its factorization.

1204034420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232 (or 7230 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1204034420 is about 34699.1991262046. The cubic root of 1204034420 is about 1063.8481290105.

Adding to 1204034420 its reverse (244304021), we get a palindrome (1448338441).

The spelling of 1204034420 in words is "one billion, two hundred four million, thirty-four thousand, four hundred twenty".