1020321022003 has 8 divisors (see below), whose sum is σ = 1023394750560. Its totient is φ = 1017247566720.

The previous prime is 1020321022001. The next prime is 1020321022009. The reversal of 1020321022003 is 3002201230201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020321022003 - 2¹ = 1020321022001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020321022001) 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 7 ways as a sum of consecutive naturals, for example, 9361938 + ... + 9470296.

It is an arithmetic number, because the mean of its divisors is an integer number (127924343820).

Almost surely, 2^{1020321022003} is an apocalyptic number.

1020321022003 is a deficient number, since it is larger than the sum of its proper divisors (3073728557).

1020321022003 is a wasteful number, since it uses less digits than its factorization.

1020321022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136637.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1020321022003 its reverse (3002201230201), we get a palindrome (4022522252204).

The spelling of 1020321022003 in words is "one trillion, twenty billion, three hundred twenty-one million, twenty-two thousand, three".