2120445204 has 12 divisors (see below), whose sum is σ = 4947705504. Its totient is φ = 706815064.

The previous prime is 2120445199. The next prime is 2120445209. The reversal of 2120445204 is 4025440212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120445199) and next prime (2120445209).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120445209) 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, 88351872 + ... + 88351895.

It is an arithmetic number, because the mean of its divisors is an integer number (412308792).

Almost surely, 2^2120445204 is an apocalyptic number.

It is an amenable number.

2120445204 is an abundant number, since it is smaller than the sum of its proper divisors (2827260300).

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

2120445204 is a wasteful number, since it uses less digits than its factorization.

2120445204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176703774 (or 176703772 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 2120445204 is about 46048.2920855921. The cubic root of 2120445204 is about 1284.7215764424.

Adding to 2120445204 its reverse (4025440212), we get a palindrome (6145885416).

The spelling of 2120445204 in words is "two billion, one hundred twenty million, four hundred forty-five thousand, two hundred four".