20060606040 has 32 divisors (see below), whose sum is σ = 60181818480. Its totient is φ = 5349494912.

The previous prime is 20060606023. The next prime is 20060606047. The reversal of 20060606040 is 4060606002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20060606040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060606047) 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 7 ways as a sum of consecutive naturals, for example, 83585739 + ... + 83585978.

Almost surely, 2^20060606040 is an apocalyptic number.

20060606040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20060606040 is an abundant number, since it is smaller than the sum of its proper divisors (40121212440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20060606040 is a wasteful number, since it uses less digits than its factorization.

20060606040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167171731 (or 167171727 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The spelling of 20060606040 in words is "twenty billion, sixty million, six hundred six thousand, forty".