2051890200 has 216 divisors, whose sum is σ = 7058504700. Its totient is φ = 534026880.

The previous prime is 2051890163. The next prime is 2051890207. The reversal of 2051890200 is 20981502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051890207) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 14761731 + ... + 14761869.

Almost surely, 2^2051890200 is an apocalyptic number.

2051890200 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 2051890200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3529252350).

2051890200 is an abundant number, since it is smaller than the sum of its proper divisors (5006614500).

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

2051890200 is a wasteful number, since it uses less digits than its factorization.

2051890200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2051890200 is about 45297.7946483049. The cubic root of 2051890200 is about 1270.7244095004.

The spelling of 2051890200 in words is "two billion, fifty-one million, eight hundred ninety thousand, two hundred".