20060408 has 16 divisors (see below), whose sum is σ = 39826080. Its totient is φ = 9440128.

The previous prime is 20060407. The next prime is 20060419. The reversal of 20060408 is 80406002.

It is a self number, because there is not a number n which added to its sum of digits gives 20060408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20060407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73616 + ... + 73887.

It is an arithmetic number, because the mean of its divisors is an integer number (2489130).

Almost surely, 2^20060408 is an apocalyptic number.

It is an amenable number.

20060408 is a deficient number, since it is larger than the sum of its proper divisors (19765672).

20060408 is a wasteful number, since it uses less digits than its factorization.

20060408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147526 (or 147522 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20060408 is about 4478.8846825968. The cubic root of 20060408 is about 271.7147745400.

The spelling of 20060408 in words is "twenty million, sixty thousand, four hundred eight".