200015020 has 24 divisors (see below), whose sum is σ = 420308784. Its totient is φ = 79953216.

The previous prime is 200014987. The next prime is 200015021. The reversal of 200015020 is 20510002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 200014988 and 200015006.

It is not an unprimeable number, because it can be changed into a prime (200015021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45019 + ... + 49261.

It is an arithmetic number, because the mean of its divisors is an integer number (17512866).

Almost surely, 2^200015020 is an apocalyptic number.

200015020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200015020 is an abundant number, since it is smaller than the sum of its proper divisors (220293764).

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

200015020 is a wasteful number, since it uses less digits than its factorization.

200015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609 (or 6607 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

The square root of 200015020 is about 14142.6666509538. Note that the first 4 decimals coincide. The cubic root of 200015020 is about 584.8181868583.

Adding to 200015020 its reverse (20510002), we get a palindrome (220525022).

It can be divided in two parts, 2000 and 15020, that added together give a triangular number (17020 = T₁₈₄).

The spelling of 200015020 in words is "two hundred million, fifteen thousand, twenty".