20404060606 has 16 divisors (see below), whose sum is σ = 31091541264. Its totient is φ = 10040494464.

The previous prime is 20404060601. The next prime is 20404060657. The reversal of 20404060606 is 60606040402.

20404060606 is a modest number, since divided by 60606 gives 20404 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20404060601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76806 + ... + 216118.

It is an arithmetic number, because the mean of its divisors is an integer number (1943221329).

Almost surely, 2^20404060606 is an apocalyptic number.

20404060606 is a deficient number, since it is larger than the sum of its proper divisors (10687480658).

20404060606 is a wasteful number, since it uses less digits than its factorization.

20404060606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140475.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 20404060606 in words is "twenty billion, four hundred four million, sixty thousand, six hundred six".