20060808 has 128 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 5806080.

The previous prime is 20060797. The next prime is 20060809. The reversal of 20060808 is 80806002.

It is a super-2 number, since 2×20060808² = 804872035225728, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20060809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489268 + ... + 489308.

It is an arithmetic number, because the mean of its divisors is an integer number (448875).

Almost surely, 2^20060808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20060808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28728000).

20060808 is an abundant number, since it is smaller than the sum of its proper divisors (37395192).

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

20060808 is a wasteful number, since it uses less digits than its factorization.

20060808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 20060808 is about 4478.9293363481. The cubic root of 20060808 is about 271.7165805050.

The spelling of 20060808 in words is "twenty million, sixty thousand, eight hundred eight".