20200668 has 24 divisors (see below), whose sum is σ = 48409872. Its totient is φ = 6551424.

The previous prime is 20200657. The next prime is 20200673. The reversal of 20200668 is 86600202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22305 + ... + 23192.

It is an arithmetic number, because the mean of its divisors is an integer number (2017078).

Almost surely, 2^20200668 is an apocalyptic number.

It is an amenable number.

20200668 is an abundant number, since it is smaller than the sum of its proper divisors (28209204).

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

20200668 is a wasteful number, since it uses less digits than its factorization.

20200668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45541 (or 45539 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 20200668 is about 4494.5153242591. The cubic root of 20200668 is about 272.3465701948.

The spelling of 20200668 in words is "twenty million, two hundred thousand, six hundred sixty-eight".