2065891200 has 96 divisors (see below), whose sum is σ = 6804560760. Its totient is φ = 550901760.

The previous prime is 2065891193. The next prime is 2065891213. The reversal of 2065891200 is 21985602.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 97999 + ... + 117198.

Almost surely, 2^2065891200 is an apocalyptic number.

2065891200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2065891200 is an abundant number, since it is smaller than the sum of its proper divisors (4738669560).

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

2065891200 is a wasteful number, since it uses less digits than its factorization.

2065891200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215224 (or 215207 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 2065891200 is about 45452.0758601849. The cubic root of 2065891200 is about 1273.6081081191.

The spelling of 2065891200 in words is "two billion, sixty-five million, eight hundred ninety-one thousand, two hundred".