20430212332 has 12 divisors (see below), whose sum is σ = 37855981800. Its totient is φ = 9614217536.

The previous prime is 20430212279. The next prime is 20430212333. The reversal of 20430212332 is 23321203402.

It is not an unprimeable number, because it can be changed into a prime (20430212333) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 150222082 + ... + 150222217.

It is an arithmetic number, because the mean of its divisors is an integer number (3154665150).

Almost surely, 2^20430212332 is an apocalyptic number.

It is an amenable number.

20430212332 is a deficient number, since it is larger than the sum of its proper divisors (17425769468).

20430212332 is a wasteful number, since it uses less digits than its factorization.

20430212332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300444320 (or 300444318 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 20430212332 its reverse (23321203402), we get a palindrome (43751415734).

The spelling of 20430212332 in words is "twenty billion, four hundred thirty million, two hundred twelve thousand, three hundred thirty-two".