2065198080 has 352 divisors, whose sum is σ = 7640386560. Its totient is φ = 470548480.

The previous prime is 2065198067. The next prime is 2065198099. The reversal of 2065198080 is 808915602.

It is a tau number, because it is divible by the number of its divisors (352).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2871961 + ... + 2872679.

Almost surely, 2^2065198080 is an apocalyptic number.

2065198080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2065198080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3820193280).

2065198080 is an abundant number, since it is smaller than the sum of its proper divisors (5575188480).

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

2065198080 is a wasteful number, since it uses less digits than its factorization.

2065198080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 2065198080 is about 45444.4504862805. The cubic root of 2065198080 is about 1273.4656575720.

The spelling of 2065198080 in words is "two billion, sixty-five million, one hundred ninety-eight thousand, eighty".