21330414223432 has 16 divisors (see below), whose sum is σ = 40044708019260. Its totient is φ = 10651825418304.

The previous prime is 21330414223399. The next prime is 21330414223441. The reversal of 21330414223432 is 23432241403312.

It can be written as a sum of positive squares in 2 ways, for example, as 20348345115396 + 982069108036 = 4510914^2 + 990994^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1672704903 + ... + 1672717654.

Almost surely, 2^{21330414223432} is an apocalyptic number.

It is an amenable number.

21330414223432 is a deficient number, since it is larger than the sum of its proper divisors (18714293795828).

21330414223432 is a wasteful number, since it uses less digits than its factorization.

21330414223432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345423360 (or 3345423356 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 21330414223432 its reverse (23432241403312), we get a palindrome (44762655626744).

The spelling of 21330414223432 in words is "twenty-one trillion, three hundred thirty billion, four hundred fourteen million, two hundred twenty-three thousand, four hundred thirty-two".