21032202003 has 4 divisors (see below), whose sum is σ = 28042936008. Its totient is φ = 14021468000.

The previous prime is 21032201989. The next prime is 21032202007. The reversal of 21032202003 is 30020223012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21032202003 - 2⁸ = 21032201747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21032202007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3505366998 + ... + 3505367003.

It is an arithmetic number, because the mean of its divisors is an integer number (7010734002).

Almost surely, 2^21032202003 is an apocalyptic number.

21032202003 is a deficient number, since it is larger than the sum of its proper divisors (7010734005).

21032202003 is an equidigital number, since it uses as much as digits as its factorization.

21032202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010734004.

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

Adding to 21032202003 its reverse (30020223012), we get a palindrome (51052425015).

The spelling of 21032202003 in words is "twenty-one billion, thirty-two million, two hundred two thousand, three".