20477774307230 has 16 divisors (see below), whose sum is σ = 36945120767184. Its totient is φ = 8172192608640.

The previous prime is 20477774307229. The next prime is 20477774307239. The reversal of 20477774307230 is 3270347777402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20477774307239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2364634736 + ... + 2364643395.

It is an arithmetic number, because the mean of its divisors is an integer number (2309070047949).

Almost surely, 2^{20477774307230} is an apocalyptic number.

20477774307230 is a deficient number, since it is larger than the sum of its proper divisors (16467346459954).

20477774307230 is a wasteful number, since it uses less digits than its factorization.

20477774307230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4729278571.

The product of its (nonzero) digits is 9680832, while the sum is 53.

The spelling of 20477774307230 in words is "twenty trillion, four hundred seventy-seven billion, seven hundred seventy-four million, three hundred seven thousand, two hundred thirty".