2120323404 has 24 divisors (see below), whose sum is σ = 4952239600. Its totient is φ = 706086144.

The previous prime is 2120323393. The next prime is 2120323409. The reversal of 2120323404 is 4043230212.

It is not an unprimeable number, because it can be changed into a prime (2120323409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73129 + ... + 97920.

Almost surely, 2^2120323404 is an apocalyptic number.

It is an amenable number.

2120323404 is an abundant number, since it is smaller than the sum of its proper divisors (2831916196).

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

2120323404 is a wasteful number, since it uses less digits than its factorization.

2120323404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172089 (or 172087 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2120323404 is about 46046.9695419796. The cubic root of 2120323404 is about 1284.6969775069.

Adding to 2120323404 its reverse (4043230212), we get a palindrome (6163553616).

The spelling of 2120323404 in words is "two billion, one hundred twenty million, three hundred twenty-three thousand, four hundred four".