21023302002 has 8 divisors (see below), whose sum is σ = 42046604016. Its totient is φ = 7007767332.

The previous prime is 21023301979. The next prime is 21023302121. The reversal of 21023302002 is 20020332012.

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

21023302002 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751941828 + ... + 1751941839.

It is an arithmetic number, because the mean of its divisors is an integer number (5255825502).

Almost surely, 2^21023302002 is an apocalyptic number.

21023302002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21023302002 is a wasteful number, since it uses less digits than its factorization.

21023302002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503883672.

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

Adding to 21023302002 its reverse (20020332012), we get a palindrome (41043634014).

The spelling of 21023302002 in words is "twenty-one billion, twenty-three million, three hundred two thousand, two".