21403310002 has 8 divisors (see below), whose sum is σ = 32116780800. Its totient is φ = 10697716404.

The previous prime is 21403309987. The next prime is 21403310021. The reversal of 21403310002 is 20001330412.

It is a happy number.

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

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, 1962502 + ... + 1973377.

It is an arithmetic number, because the mean of its divisors is an integer number (4014597600).

Almost surely, 2^21403310002 is an apocalyptic number.

21403310002 is a deficient number, since it is larger than the sum of its proper divisors (10713470798).

21403310002 is a wasteful number, since it uses less digits than its factorization.

21403310002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938600.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21403310002 its reverse (20001330412), we get a palindrome (41404640414).

The spelling of 21403310002 in words is "twenty-one billion, four hundred three million, three hundred ten thousand, two".