2003202320021 has 8 divisors (see below), whose sum is σ = 2291556523200. Its totient is φ = 1715393727648.

The previous prime is 2003202319981. The next prime is 2003202320027. The reversal of 2003202320021 is 1200232023002.

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 2003202320021 - 2⁶ = 2003202319957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003202320027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 136394831 + ... + 136409516.

It is an arithmetic number, because the mean of its divisors is an integer number (286444565400).

Almost surely, 2^{2003202320021} is an apocalyptic number.

It is an amenable number.

2003202320021 is a deficient number, since it is larger than the sum of its proper divisors (288354203179).

2003202320021 is a wasteful number, since it uses less digits than its factorization.

2003202320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272805403.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 2003202320021 its reverse (1200232023002), we get a palindrome (3203434343023).

The spelling of 2003202320021 in words is "two trillion, three billion, two hundred two million, three hundred twenty thousand, twenty-one".