2030521304 has 64 divisors (see below), whose sum is σ = 4514400000. Its totient is φ = 837744768.

The previous prime is 2030521289. The next prime is 2030521309. The reversal of 2030521304 is 4031250302.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030521309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613847 + ... + 617145.

It is an arithmetic number, because the mean of its divisors is an integer number (70537500).

Almost surely, 2^2030521304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2030521304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257200000).

2030521304 is an abundant number, since it is smaller than the sum of its proper divisors (2483878696).

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

2030521304 is a wasteful number, since it uses less digits than its factorization.

2030521304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720 (or 3716 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2030521304 is about 45061.3060618531. The cubic root of 2030521304 is about 1266.2977935430.

Adding to 2030521304 its reverse (4031250302), we get a palindrome (6061771606).

The spelling of 2030521304 in words is "two billion, thirty million, five hundred twenty-one thousand, three hundred four".