2052021345 has 32 divisors (see below), whose sum is σ = 3587842944. Its totient is φ = 993216000.

The previous prime is 2052021331. The next prime is 2052021371. The reversal of 2052021345 is 5431202502.

It is not a de Polignac number, because 2052021345 - 2⁸ = 2052021089 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 88819 + ... + 109511.

It is an arithmetic number, because the mean of its divisors is an integer number (112120092).

Almost surely, 2^2052021345 is an apocalyptic number.

It is an amenable number.

2052021345 is a deficient number, since it is larger than the sum of its proper divisors (1535821599).

2052021345 is a wasteful number, since it uses less digits than its factorization.

2052021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21313.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 2052021345 is about 45299.2422122048. The cubic root of 2052021345 is about 1270.7514813847.

Adding to 2052021345 its reverse (5431202502), we get a palindrome (7483223847).

The spelling of 2052021345 in words is "two billion, fifty-two million, twenty-one thousand, three hundred forty-five".