21532433255230 has 32 divisors (see below), whose sum is σ = 39027567233088. Its totient is φ = 8553190464000.

The previous prime is 21532433255197. The next prime is 21532433255329. The reversal of 21532433255230 is 3255233423512.

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, 2428204 + ... + 6997216.

It is an arithmetic number, because the mean of its divisors is an integer number (1219611476034).

Almost surely, 2^{21532433255230} is an apocalyptic number.

21532433255230 is a deficient number, since it is larger than the sum of its proper divisors (17495133977858).

21532433255230 is a wasteful number, since it uses less digits than its factorization.

21532433255230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572292.

The product of its (nonzero) digits is 648000, while the sum is 40.

Adding to 21532433255230 its reverse (3255233423512), we get a palindrome (24787666678742).

The spelling of 21532433255230 in words is "twenty-one trillion, five hundred thirty-two billion, four hundred thirty-three million, two hundred fifty-five thousand, two hundred thirty".