2051320246 has 16 divisors (see below), whose sum is σ = 3150189504. Its totient is φ = 1001282184.

The previous prime is 2051320211. The next prime is 2051320247. The reversal of 2051320246 is 6420231502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051320246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051320247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196761 + ... + 206923.

It is an arithmetic number, because the mean of its divisors is an integer number (196886844).

Almost surely, 2^2051320246 is an apocalyptic number.

2051320246 is a deficient number, since it is larger than the sum of its proper divisors (1098869258).

2051320246 is a wasteful number, since it uses less digits than its factorization.

2051320246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12555.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2051320246 is about 45291.5030220901. The cubic root of 2051320246 is about 1270.6067421370.

Adding to 2051320246 its reverse (6420231502), we get a palindrome (8471551748).

The spelling of 2051320246 in words is "two billion, fifty-one million, three hundred twenty thousand, two hundred forty-six".