21000323202 has 8 divisors (see below), whose sum is σ = 42000646416. Its totient is φ = 7000107732.

The previous prime is 21000323177. The next prime is 21000323231. The reversal of 21000323202 is 20232300012.

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

21000323202 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, 1750026928 + ... + 1750026939.

It is an arithmetic number, because the mean of its divisors is an integer number (5250080802).

Almost surely, 2^21000323202 is an apocalyptic number.

21000323202 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.

21000323202 is a wasteful number, since it uses less digits than its factorization.

21000323202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500053872.

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

Adding to 21000323202 its reverse (20232300012), we get a palindrome (41232623214).

The spelling of 21000323202 in words is "twenty-one billion, three hundred twenty-three thousand, two hundred two".