2065814380 has 24 divisors (see below), whose sum is σ = 4957954848. Its totient is φ = 708279168.

The previous prime is 2065814357. The next prime is 2065814389. The reversal of 2065814380 is 834185602.

It is a happy number.

It is a super-2 number, since 2×2065814380² = 8535178105229568800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2065814389) 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 7 ways as a sum of consecutive naturals, for example, 7377769 + ... + 7378048.

It is an arithmetic number, because the mean of its divisors is an integer number (206581452).

Almost surely, 2^2065814380 is an apocalyptic number.

2065814380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065814380 is an abundant number, since it is smaller than the sum of its proper divisors (2892140468).

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

2065814380 is a wasteful number, since it uses less digits than its factorization.

2065814380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14755833 (or 14755831 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2065814380 is about 45451.2307864155. The cubic root of 2065814380 is about 1273.5923215846.

Adding to 2065814380 its reverse (834185602), we get a palindrome (2899999982).

The spelling of 2065814380 in words is "two billion, sixty-five million, eight hundred fourteen thousand, three hundred eighty".