20040112606 has 4 divisors (see below), whose sum is σ = 30060168912. Its totient is φ = 10020056302.

The previous prime is 20040112591. The next prime is 20040112619. The reversal of 20040112606 is 60621104002.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20040112606² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010028150 + ... + 5010028153.

It is an arithmetic number, because the mean of its divisors is an integer number (7515042228).

Almost surely, 2^20040112606 is an apocalyptic number.

20040112606 is a deficient number, since it is larger than the sum of its proper divisors (10020056306).

20040112606 is a wasteful number, since it uses less digits than its factorization.

20040112606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10020056305.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20040112606 its reverse (60621104002), we get a palindrome (80661216608).

The spelling of 20040112606 in words is "twenty billion, forty million, one hundred twelve thousand, six hundred six".