20108668 has 12 divisors (see below), whose sum is σ = 35939232. Its totient is φ = 9840320.

The previous prime is 20108657. The next prime is 20108729. The reversal of 20108668 is 86680102.

It is a super-3 number, since 3×20108668³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53293 + ... + 53668.

It is an arithmetic number, because the mean of its divisors is an integer number (2994936).

Almost surely, 2^20108668 is an apocalyptic number.

It is an amenable number.

20108668 is a deficient number, since it is larger than the sum of its proper divisors (15830564).

20108668 is a wasteful number, since it uses less digits than its factorization.

20108668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107012 (or 107010 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 20108668 is about 4484.2689482233. The cubic root of 20108668 is about 271.9324911757.

The spelling of 20108668 in words is "twenty million, one hundred eight thousand, six hundred sixty-eight".