2003304442920 has 64 divisors (see below), whose sum is σ = 6556269090240. Its totient is φ = 485649561600.

The previous prime is 2003304442871. The next prime is 2003304442927. The reversal of 2003304442920 is 292444033002.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2003304442927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758826121 + ... + 758828760.

It is an arithmetic number, because the mean of its divisors is an integer number (102441704535).

Almost surely, 2^{2003304442920} is an apocalyptic number.

2003304442920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003304442920 is an abundant number, since it is smaller than the sum of its proper divisors (4552964647320).

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

2003304442920 is a wasteful number, since it uses less digits than its factorization.

2003304442920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517654906 (or 1517654902 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 2003304442920 its reverse (292444033002), we get a palindrome (2295748475922).

The spelling of 2003304442920 in words is "two trillion, three billion, three hundred four million, four hundred forty-two thousand, nine hundred twenty".