1000320200 has 96 divisors (see below), whose sum is σ = 2624832000. Its totient is φ = 351187200.

The previous prime is 1000320193. The next prime is 1000320257. The reversal of 1000320200 is 20230001.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55961 + ... + 71639.

It is an arithmetic number, because the mean of its divisors is an integer number (27342000).

Almost surely, 2^1000320200 is an apocalyptic number.

1000320200 is a gapful number since it is divisible by the number (10) 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 1000320200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312416000).

1000320200 is an abundant number, since it is smaller than the sum of its proper divisors (1624511800).

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

1000320200 is a wasteful number, since it uses less digits than its factorization.

1000320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15735 (or 15726 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1000320200 is about 31627.8390030049. The cubic root of 1000320200 is about 1000.1067219434.

Adding to 1000320200 its reverse (20230001), we get a palindrome (1020550201).

It can be divided in two parts, 10003 and 20200, that added together give a palindrome (30203).

The spelling of 1000320200 in words is "one billion, three hundred twenty thousand, two hundred".