21322000002 has 32 divisors (see below), whose sum is σ = 43304796864. Its totient is φ = 6997320000.

The previous prime is 21321999997. The next prime is 21322000003. The reversal of 21322000002 is 20000022312.

It is not an unprimeable number, because it can be changed into a prime (21322000003) 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 15 ways as a sum of consecutive naturals, for example, 750252 + ... + 778152.

It is an arithmetic number, because the mean of its divisors is an integer number (1353274902).

Almost surely, 2^21322000002 is an apocalyptic number.

21322000002 is an abundant number, since it is smaller than the sum of its proper divisors (21982796862).

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

21322000002 is a wasteful number, since it uses less digits than its factorization.

21322000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29874.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 21322000002 its reverse (20000022312), we get a palindrome (41322022314).

The spelling of 21322000002 in words is "twenty-one billion, three hundred twenty-two million, two", and thus it is an aban number.