1204320402 has 24 divisors (see below), whose sum is σ = 2612610000. Its totient is φ = 400940280.

The previous prime is 1204320401. The next prime is 1204320419. The reversal of 1204320402 is 2040234021.

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

It is not an unprimeable number, because it can be changed into a prime (1204320401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26652 + ... + 55847.

It is an arithmetic number, because the mean of its divisors is an integer number (108858750).

Almost surely, 2^1204320402 is an apocalyptic number.

1204320402 is an abundant number, since it is smaller than the sum of its proper divisors (1408289598).

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

1204320402 is a wasteful number, since it uses less digits than its factorization.

1204320402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83318 (or 83315 counting only the distinct ones).

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

The square root of 1204320402 is about 34703.3197547439. The cubic root of 1204320402 is about 1063.9323506700.

Adding to 1204320402 its reverse (2040234021), we get a palindrome (3244554423).

The spelling of 1204320402 in words is "one billion, two hundred four million, three hundred twenty thousand, four hundred two".