20077208 has 16 divisors (see below), whose sum is σ = 38563560. Its totient is φ = 9793600.

The previous prime is 20077171. The next prime is 20077217. The reversal of 20077208 is 80277002.

It is a congruent number.

It is an unprimeable number.

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, 30278 + ... + 30933.

Almost surely, 2^20077208 is an apocalyptic number.

It is an amenable number.

20077208 is a deficient number, since it is larger than the sum of its proper divisors (18486352).

20077208 is a wasteful number, since it uses less digits than its factorization.

20077208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61258 (or 61254 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 20077208 is about 4480.7597570055. The cubic root of 20077208 is about 271.7906044119.

The spelling of 20077208 in words is "twenty million, seventy-seven thousand, two hundred eight".