200500920 has 160 divisors (see below), whose sum is σ = 709592400. Its totient is φ = 50637312.

The previous prime is 200500897. The next prime is 200500957. The reversal of 200500920 is 29005002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 200500893 and 200500902.

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 39 ways as a sum of consecutive naturals, for example, 59932 + ... + 63188.

Almost surely, 2^200500920 is an apocalyptic number.

200500920 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 200500920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354796200).

200500920 is an abundant number, since it is smaller than the sum of its proper divisors (509091480).

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

200500920 is a wasteful number, since it uses less digits than its factorization.

200500920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299 (or 3286 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 200500920 is about 14159.8347447984. The cubic root of 200500920 is about 585.2913735878.

Adding to 200500920 its reverse (29005002), we get a palindrome (229505922).

The spelling of 200500920 in words is "two hundred million, five hundred thousand, nine hundred twenty".