2051320302 has 40 divisors (see below), whose sum is σ = 4642023672. Its totient is φ = 676998000.

The previous prime is 2051320259. The next prime is 2051320309. The reversal of 2051320302 is 2030231502.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051320309) 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 19 ways as a sum of consecutive naturals, for example, 46324 + ... + 79047.

Almost surely, 2^2051320302 is an apocalyptic number.

2051320302 is an abundant number, since it is smaller than the sum of its proper divisors (2590703370).

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

2051320302 is a wasteful number, since it uses less digits than its factorization.

2051320302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125486 (or 125477 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2051320302 is about 45291.5036403076. The cubic root of 2051320302 is about 1270.6067536993.

Adding to 2051320302 its reverse (2030231502), we get a palindrome (4081551804).

The spelling of 2051320302 in words is "two billion, fifty-one million, three hundred twenty thousand, three hundred two".