20077077 has 8 divisors (see below), whose sum is σ = 27692640. Its totient is φ = 12923120.

The previous prime is 20077067. The next prime is 20077081. The reversal of 20077077 is 77077002.

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

It is a cyclic number.

It is not a de Polignac number, because 20077077 - 2⁸ = 20076821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20077027) 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, 115299 + ... + 115472.

It is an arithmetic number, because the mean of its divisors is an integer number (3461580).

Almost surely, 2^20077077 is an apocalyptic number.

It is an amenable number.

20077077 is a deficient number, since it is larger than the sum of its proper divisors (7615563).

20077077 is a wasteful number, since it uses less digits than its factorization.

20077077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230803.

The product of its (nonzero) digits is 4802, while the sum is 30.

The square root of 20077077 is about 4480.7451389250. The cubic root of 20077077 is about 271.7900132831.

It can be divided in two parts, 200 and 77077, that added together give a palindrome (77277).

The spelling of 20077077 in words is "twenty million, seventy-seven thousand, seventy-seven".