21332330002 has 4 divisors (see below), whose sum is σ = 31998495006. Its totient is φ = 10666165000.

The previous prime is 21332329981. The next prime is 21332330003. The reversal of 21332330002 is 20003323312.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 20958642441 + 373687561 = 144771^2 + 19331^2 .

It is not an unprimeable number, because it can be changed into a prime (21332330003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333082499 + ... + 5333082502.

Almost surely, 2^21332330002 is an apocalyptic number.

21332330002 is a deficient number, since it is larger than the sum of its proper divisors (10666165004).

21332330002 is a wasteful number, since it uses less digits than its factorization.

21332330002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666165003.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 21332330002 its reverse (20003323312), we get a palindrome (41335653314).

The spelling of 21332330002 in words is "twenty-one billion, three hundred thirty-two million, three hundred thirty thousand, two".