21244002330342 has 32 divisors (see below), whose sum is σ = 46365604750080. Its totient is φ = 6435485601120.

The previous prime is 21244002330329. The next prime is 21244002330361. The reversal of 21244002330342 is 24303320044212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52066813 + ... + 52473240.

It is an arithmetic number, because the mean of its divisors is an integer number (1448925148440).

Almost surely, 2^{21244002330342} is an apocalyptic number.

21244002330342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21244002330342 is an abundant number, since it is smaller than the sum of its proper divisors (25121602419738).

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

21244002330342 is a wasteful number, since it uses less digits than its factorization.

21244002330342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104543148.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 21244002330342 its reverse (24303320044212), we get a palindrome (45547322374554).

The spelling of 21244002330342 in words is "twenty-one trillion, two hundred forty-four billion, two million, three hundred thirty thousand, three hundred forty-two".