2000155200 has 168 divisors, whose sum is σ = 6655734720. Its totient is φ = 525772800.

The previous prime is 2000155163. The next prime is 2000155219. The reversal of 2000155200 is 25510002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2000155200.

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 23 ways as a sum of consecutive naturals, for example, 337866 + ... + 343734.

Almost surely, 2^2000155200 is an apocalyptic number.

2000155200 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 2000155200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3327867360).

2000155200 is an abundant number, since it is smaller than the sum of its proper divisors (4655579520).

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

2000155200 is a wasteful number, since it uses less digits than its factorization.

2000155200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965 (or 5950 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 2000155200 is about 44723.0947050850. The cubic root of 2000155200 is about 1259.9536390097.

Adding to 2000155200 its reverse (25510002), we get a palindrome (2025665202).

The spelling of 2000155200 in words is "two billion, one hundred fifty-five thousand, two hundred".