20016108 has 72 divisors (see below), whose sum is σ = 59040800. Its totient is φ = 5715360.

The previous prime is 20016103. The next prime is 20016121. The reversal of 20016108 is 80161002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20016103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11538 + ... + 13158.

Almost surely, 2^20016108 is an apocalyptic number.

20016108 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20016108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29520400).

20016108 is an abundant number, since it is smaller than the sum of its proper divisors (39024692).

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

20016108 is a wasteful number, since it uses less digits than its factorization.

20016108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 20016108 is about 4473.9365216775. The cubic root of 20016108 is about 271.5146151692.

The spelling of 20016108 in words is "twenty million, sixteen thousand, one hundred eight".