20014808 has 32 divisors (see below), whose sum is σ = 41472000. Its totient is φ = 8979360.

The previous prime is 20014793. The next prime is 20014811. The reversal of 20014808 is 80841002.

Together with 21457192 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5513 + ... + 8391.

It is an arithmetic number, because the mean of its divisors is an integer number (1296000).

Almost surely, 2^20014808 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 20014808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20736000).

20014808 is an abundant number, since it is smaller than the sum of its proper divisors (21457192).

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

20014808 is a wasteful number, since it uses less digits than its factorization.

20014808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2975 (or 2971 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 20014808 is about 4473.7912333948. The cubic root of 20014808 is about 271.5087369595.

The spelling of 20014808 in words is "twenty million, fourteen thousand, eight hundred eight".