20340106432 has 28 divisors (see below), whose sum is σ = 40458324976. Its totient is φ = 10145882880.

The previous prime is 20340106403. The next prime is 20340106441. The reversal of 20340106432 is 23460104302.

It is a junction number, because it is equal to n+sod(n) for n = 20340106397 and 20340106406.

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, 350508 + ... + 404395.

Almost surely, 2^20340106432 is an apocalyptic number.

It is an amenable number.

20340106432 is a deficient number, since it is larger than the sum of its proper divisors (20118218544).

20340106432 is an equidigital number, since it uses as much as digits as its factorization.

20340106432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755336 (or 755326 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The spelling of 20340106432 in words is "twenty billion, three hundred forty million, one hundred six thousand, four hundred thirty-two".