20006888 has 32 divisors (see below), whose sum is σ = 41346720. Its totient is φ = 9000000.

The previous prime is 20006887. The next prime is 20006923. The reversal of 20006888 is 88860002.

It is not an unprimeable number, because it can be changed into a prime (20006881) 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, 7763 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (1292085).

Almost surely, 2^20006888 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 20006888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20673360).

20006888 is an abundant number, since it is smaller than the sum of its proper divisors (21339832).

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

20006888 is a wasteful number, since it uses less digits than its factorization.

20006888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369 (or 2365 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 20006888 is about 4472.9059905167. The cubic root of 20006888 is about 271.4729195971.

It can be divided in two parts, 2000 and 6888, that added together give a palindrome (8888).

The spelling of 20006888 in words is "twenty million, six thousand, eight hundred eighty-eight".