1980246107 has 16 divisors (see below), whose sum is σ = 2296474560. Its totient is φ = 1672399872.

The previous prime is 1980246089. The next prime is 1980246109. The reversal of 1980246107 is 7016420891.

It is a cyclic number.

It is not a de Polignac number, because 1980246107 - 2²⁰ = 1979197531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1980246109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956069 + ... + 958137.

It is an arithmetic number, because the mean of its divisors is an integer number (143529660).

Almost surely, 2^1980246107 is an apocalyptic number.

1980246107 is a deficient number, since it is larger than the sum of its proper divisors (316228453).

1980246107 is a wasteful number, since it uses less digits than its factorization.

1980246107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 1980246107 is about 44499.9562584055. The cubic root of 1980246107 is about 1255.7592601451.

Adding to 1980246107 its reverse (7016420891), we get a palindrome (8996666998).

The spelling of 1980246107 in words is "one billion, nine hundred eighty million, two hundred forty-six thousand, one hundred seven".