1003321003020 has 96 divisors (see below), whose sum is σ = 3379607616000. Its totient is φ = 217260486144.

The previous prime is 1003321003007. The next prime is 1003321003031. The reversal of 1003321003020 is 203001233001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 62856745 + ... + 62872704.

It is an arithmetic number, because the mean of its divisors is an integer number (35204246000).

Almost surely, 2^{1003321003020} is an apocalyptic number.

1003321003020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003321003020 is an abundant number, since it is smaller than the sum of its proper divisors (2376286612980).

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

1003321003020 is a wasteful number, since it uses less digits than its factorization.

1003321003020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125729487 (or 125729485 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 1003321003020 its reverse (203001233001), we get a palindrome (1206322236021).

The spelling of 1003321003020 in words is "one trillion, three billion, three hundred twenty-one million, three thousand, twenty".