21322302002 has 16 divisors (see below), whose sum is σ = 32268159000. Its totient is φ = 10566560640.

The previous prime is 21322301993. The next prime is 21322302011. The reversal of 21322302002 is 20020322312.

It is an interprime number because it is at equal distance from previous prime (21322301993) and next prime (21322302011).

It can be written as a sum of positive squares in 4 ways, for example, as 4881677161 + 16440624841 = 69869^2 + 128221^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59774 + ... + 214982.

Almost surely, 2^21322302002 is an apocalyptic number.

21322302002 is a deficient number, since it is larger than the sum of its proper divisors (10945856998).

21322302002 is a wasteful number, since it uses less digits than its factorization.

21322302002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155821.

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

Adding to 21322302002 its reverse (20020322312), we get a palindrome (41342624314).

The spelling of 21322302002 in words is "twenty-one billion, three hundred twenty-two million, three hundred two thousand, two".