2002320404 has 12 divisors (see below), whose sum is σ = 4004640864. Its totient is φ = 858137304.

The previous prime is 2002320391. The next prime is 2002320409. The reversal of 2002320404 is 4040232002.

2002320404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002320409) 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 3 ways as a sum of consecutive naturals, for example, 35755694 + ... + 35755749.

It is an arithmetic number, because the mean of its divisors is an integer number (333720072).

Almost surely, 2^2002320404 is an apocalyptic number.

It is an amenable number.

2002320404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2002320404 is a wasteful number, since it uses less digits than its factorization.

2002320404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71511454 (or 71511452 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2002320404 is about 44747.2949350014. The cubic root of 2002320404 is about 1260.4081158857.

Adding to 2002320404 its reverse (4040232002), we get a palindrome (6042552406).

The spelling of 2002320404 in words is "two billion, two million, three hundred twenty thousand, four hundred four".