20066936 has 16 divisors (see below), whose sum is σ = 39839040. Its totient is φ = 9443200.

The previous prime is 20066933. The next prime is 20066941. The reversal of 20066936 is 63966002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20066933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73640 + ... + 73911.

It is an arithmetic number, because the mean of its divisors is an integer number (2489940).

Almost surely, 2^20066936 is an apocalyptic number.

It is an amenable number.

20066936 is a deficient number, since it is larger than the sum of its proper divisors (19772104).

20066936 is a wasteful number, since it uses less digits than its factorization.

20066936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147574 (or 147570 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 20066936 is about 4479.6133761743. The cubic root of 20066936 is about 271.7442448891.

The spelling of 20066936 in words is "twenty million, sixty-six thousand, nine hundred thirty-six".