21232305150 has 72 divisors (see below), whose sum is σ = 61253055000. Its totient is φ = 4853096640.

The previous prime is 21232305103. The next prime is 21232305151. The reversal of 21232305150 is 5150323212.

It is a happy number.

21232305150 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 21232305150.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21232305151) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1437025 + ... + 1451724.

It is an arithmetic number, because the mean of its divisors is an integer number (850736875).

Almost surely, 2^21232305150 is an apocalyptic number.

21232305150 is an abundant number, since it is smaller than the sum of its proper divisors (40020749850).

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

21232305150 is a wasteful number, since it uses less digits than its factorization.

21232305150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888778 (or 2888766 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 21232305150 its reverse (5150323212), we get a palindrome (26382628362).

The spelling of 21232305150 in words is "twenty-one billion, two hundred thirty-two million, three hundred five thousand, one hundred fifty".