21442332402002 has 32 divisors (see below), whose sum is σ = 34977177575424. Its totient is φ = 9818695744000.

The previous prime is 21442332401983. The next prime is 21442332402059. The reversal of 21442332402002 is 20020423324412.

It is an unprimeable number.

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, 19546874 + ... + 20614677.

It is an arithmetic number, because the mean of its divisors is an integer number (1093036799232).

Almost surely, 2^{21442332402002} is an apocalyptic number.

21442332402002 is a deficient number, since it is larger than the sum of its proper divisors (13534845173422).

21442332402002 is a wasteful number, since it uses less digits than its factorization.

21442332402002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40161994.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 21442332402002 its reverse (20020423324412), we get a palindrome (41462755726414).

The spelling of 21442332402002 in words is "twenty-one trillion, four hundred forty-two billion, three hundred thirty-two million, four hundred two thousand, two".