1004320203 has 16 divisors (see below), whose sum is σ = 1437291936. Its totient is φ = 621527040.

The previous prime is 1004320201. The next prime is 1004320241. The reversal of 1004320203 is 3020234001.

It is not a de Polignac number, because 1004320203 - 2¹ = 1004320201 is a prime.

It is a super-2 number, since 2×1004320203² = 2017318140307922418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1004320201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131158 + ... + 138603.

It is an arithmetic number, because the mean of its divisors is an integer number (89830746).

Almost surely, 2^1004320203 is an apocalyptic number.

1004320203 is a deficient number, since it is larger than the sum of its proper divisors (432971733).

1004320203 is a wasteful number, since it uses less digits than its factorization.

1004320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269854.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1004320203 is about 31691.0113912447. The cubic root of 1004320203 is about 1001.4379988348.

Adding to 1004320203 its reverse (3020234001), we get a palindrome (4024554204).

The spelling of 1004320203 in words is "one billion, four million, three hundred twenty thousand, two hundred three".