21304421330202 has 24 divisors (see below), whose sum is σ = 46159684530336. Its totient is φ = 7101457625736.

The previous prime is 21304421330147. The next prime is 21304421330221. The reversal of 21304421330202 is 20203312440312.

21304421330202 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 4 + 421 + 3 + 30 + 202 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8893963 + ... + 11032289.

It is an arithmetic number, because the mean of its divisors is an integer number (1923320188764).

Almost surely, 2^{21304421330202} is an apocalyptic number.

21304421330202 is an abundant number, since it is smaller than the sum of its proper divisors (24855263200134).

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

21304421330202 is a wasteful number, since it uses less digits than its factorization.

21304421330202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691842 (or 2691839 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 21304421330202 its reverse (20203312440312), we get a palindrome (41507733770514).

The spelling of 21304421330202 in words is "twenty-one trillion, three hundred four billion, four hundred twenty-one million, three hundred thirty thousand, two hundred two".