20088668 has 6 divisors (see below), whose sum is σ = 35155176. Its totient is φ = 10044332.

The previous prime is 20088659. The next prime is 20088671. The reversal of 20088668 is 86688002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2511080 + ... + 2511087.

It is an arithmetic number, because the mean of its divisors is an integer number (5859196).

Almost surely, 2^20088668 is an apocalyptic number.

It is an amenable number.

20088668 is a deficient number, since it is larger than the sum of its proper divisors (15066508).

20088668 is a wasteful number, since it uses less digits than its factorization.

20088668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5022171 (or 5022169 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 20088668 is about 4482.0383755608. The cubic root of 20088668 is about 271.8423069509.

The spelling of 20088668 in words is "twenty million, eighty-eight thousand, six hundred sixty-eight".