21413202232 has 8 divisors (see below), whose sum is σ = 40149754200. Its totient is φ = 10706601112.

The previous prime is 21413202163. The next prime is 21413202253. The reversal of 21413202232 is 23220231412.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1338325132 + ... + 1338325147.

It is an arithmetic number, because the mean of its divisors is an integer number (5018719275).

Almost surely, 2^21413202232 is an apocalyptic number.

It is an amenable number.

21413202232 is a deficient number, since it is larger than the sum of its proper divisors (18736551968).

21413202232 is a wasteful number, since it uses less digits than its factorization.

21413202232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676650285 (or 2676650281 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21413202232 its reverse (23220231412), we get a palindrome (44633433644).

The spelling of 21413202232 in words is "twenty-one billion, four hundred thirteen million, two hundred two thousand, two hundred thirty-two".