21433000210 has 32 divisors (see below), whose sum is σ = 39248193600. Its totient is φ = 8424690240.

The previous prime is 21433000177. The next prime is 21433000213. The reversal of 21433000210 is 1200033412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21433000213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2084061 + ... + 2094319.

It is an arithmetic number, because the mean of its divisors is an integer number (1226506050).

Almost surely, 2^21433000210 is an apocalyptic number.

21433000210 is a deficient number, since it is larger than the sum of its proper divisors (17815193390).

21433000210 is a wasteful number, since it uses less digits than its factorization.

21433000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866.

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

Adding to 21433000210 its reverse (1200033412), we get a palindrome (22633033622).

The spelling of 21433000210 in words is "twenty-one billion, four hundred thirty-three million, two hundred ten", and thus it is an aban number.