20100608 has 80 divisors (see below), whose sum is σ = 45372096. Its totient is φ = 8816640.

The previous prime is 20100601. The next prime is 20100611. The reversal of 20100608 is 80600102.

20100608 is nontrivially palindromic in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100601) 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, 242135 + ... + 242217.

Almost surely, 2^20100608 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 20100608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22686048).

20100608 is an abundant number, since it is smaller than the sum of its proper divisors (25271488).

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

20100608 is an equidigital number, since it uses as much as digits as its factorization.

20100608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 20100608 is about 4483.3701609392. The cubic root of 20100608 is about 271.8961541297.

The spelling of 20100608 in words is "twenty million, one hundred thousand, six hundred eight".