2101420304 has 20 divisors (see below), whose sum is σ = 4072460700. Its totient is φ = 1050462720.

The previous prime is 2101420297. The next prime is 2101420327. The reversal of 2101420304 is 4030241012.

It can be written as a sum of positive squares in 2 ways, for example, as 125440000 + 1975980304 = 11200^2 + 44452^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68372 + ... + 94220.

It is an arithmetic number, because the mean of its divisors is an integer number (203623035).

Almost surely, 2^2101420304 is an apocalyptic number.

It is an amenable number.

2101420304 is a deficient number, since it is larger than the sum of its proper divisors (1971040396).

2101420304 is a wasteful number, since it uses less digits than its factorization.

2101420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30938 (or 30932 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2101420304 is about 45841.2511173070. The cubic root of 2101420304 is about 1280.8678001974.

Adding to 2101420304 its reverse (4030241012), we get a palindrome (6131661316).

The spelling of 2101420304 in words is "two billion, one hundred one million, four hundred twenty thousand, three hundred four".