1204354020 has 96 divisors (see below), whose sum is σ = 3441191040. Its totient is φ = 314629120.

The previous prime is 1204354009. The next prime is 1204354027. The reversal of 1204354020 is 204534021.

It is not an unprimeable number, because it can be changed into a prime (1204354027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1844014 + ... + 1844666.

It is an arithmetic number, because the mean of its divisors is an integer number (35845740).

Almost surely, 2^1204354020 is an apocalyptic number.

1204354020 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 1204354020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720595520).

1204354020 is an abundant number, since it is smaller than the sum of its proper divisors (2236837020).

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

1204354020 is a wasteful number, since it uses less digits than its factorization.

1204354020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1204354020 is about 34703.8041142466. The cubic root of 1204354020 is about 1063.9422502905.

Adding to 1204354020 its reverse (204534021), we get a palindrome (1408888041).

The spelling of 1204354020 in words is "one billion, two hundred four million, three hundred fifty-four thousand, twenty".