20008077 has 8 divisors (see below), whose sum is σ = 26869920. Its totient is φ = 13242480.

The previous prime is 20008073. The next prime is 20008097. The reversal of 20008077 is 77080002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20008077 - 2² = 20008073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20008073) 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 7 ways as a sum of consecutive naturals, for example, 23574 + ... + 24407.

It is an arithmetic number, because the mean of its divisors is an integer number (3358740).

Almost surely, 2^20008077 is an apocalyptic number.

It is an amenable number.

20008077 is a deficient number, since it is larger than the sum of its proper divisors (6861843).

20008077 is a wasteful number, since it uses less digits than its factorization.

20008077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48123.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 20008077 is about 4473.0388998979. The cubic root of 20008077 is about 271.4782973268.

Adding to 20008077 its reverse (77080002), we get a palindrome (97088079).

The spelling of 20008077 in words is "twenty million, eight thousand, seventy-seven".